diff --git a/testing/web-platform/meta/trusted-types/idlharness.any.js.ini b/testing/web-platform/meta/trusted-types/idlharness.any.js.ini
new file mode 100644
index 000000000000..1ce9058542e0
--- /dev/null
+++ b/testing/web-platform/meta/trusted-types/idlharness.any.js.ini
@@ -0,0 +1,447 @@
+[idlharness.any.html]
+  [Stringification of window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })]
+    expected: FAIL
+
+  [TrustedScriptURL must be primary interface of window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedScript interface: stringifier]
+    expected: FAIL
+
+  [TrustedURL interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createScript(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createScriptURL(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface object length]
+    expected: FAIL
+
+  [TrustedHTML interface: calling unsafelyCreate(DOMString) on window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createScript(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface object name]
+    expected: FAIL
+
+  [TrustedURL interface: window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") must inherit property "create(USVString)" with the proper type]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: operation getPolicyNames()]
+    expected: FAIL
+
+  [TrustedScriptURL interface: stringifier]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedScriptURL interface: window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string") must inherit property "unsafelyCreate(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedHTML must be primary interface of window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createScriptURL(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createHTML(DOMString)]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createScriptURL(DOMString)]
+    expected: FAIL
+
+  [TrustedHTML interface object length]
+    expected: FAIL
+
+  [TrustedHTML interface: window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") must inherit property "unsafelyCreate(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createHTML(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedHTML interface: window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") must inherit property "escape(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedScript must be primary interface of window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")]
+    expected: FAIL
+
+  [TrustedScriptURL interface object length]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy must be primary interface of window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")]
+    expected: FAIL
+
+  [TrustedURL interface: operation create(USVString)]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "name" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createURL(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML interface object name]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: window.TrustedTypes must inherit property "getPolicyNames()" with the proper type]
+    expected: FAIL
+
+  [TrustedURL interface: operation unsafelyCreate(USVString)]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedHTML interface: calling escape(DOMString) on window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface: stringifier]
+    expected: FAIL
+
+  [TrustedScript interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface object length]
+    expected: FAIL
+
+  [TrustedScriptURL interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createURL(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedScript interface object length]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface object length]
+    expected: FAIL
+
+  [TrustedHTML interface: operation escape(DOMString)]
+    expected: FAIL
+
+  [TrustedURL interface: calling create(USVString) on window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedHTML interface: operation unsafelyCreate(DOMString)]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createHTML(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: attribute name]
+    expected: FAIL
+
+  [TrustedScriptURL interface: calling unsafelyCreate(DOMString) on window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createURL(DOMString)]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedURL interface: calling unsafelyCreate(USVString) on window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: window.TrustedTypes must inherit property "createPolicy(DOMString, TrustedTypePolicyOptions)" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedScriptURL interface: operation unsafelyCreate(DOMString)]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: calling createPolicy(DOMString, TrustedTypePolicyOptions) on window.TrustedTypes with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface: window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") must inherit property "unsafelyCreate(USVString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedHTML interface: stringifier]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory must be primary interface of window.TrustedTypes]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createScript(DOMString)]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: operation createPolicy(DOMString, TrustedTypePolicyOptions)]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")]
+    expected: FAIL
+
+  [TrustedURL must be primary interface of window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface object]
+    expected: FAIL
+
+
+[idlharness.any.worker.html]
+  [TrustedURL interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: window.TrustedTypes must not have property "getPolicyNames"]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedScriptURL must be primary interface of window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedScript interface: stringifier]
+    expected: FAIL
+
+  [TrustedHTML interface: calling escape(DOMString) on window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface: stringifier]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedScript interface object name]
+    expected: FAIL
+
+  [TrustedURL interface: calling unsafelyCreate(USVString) on window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface object name]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must not have property "createURL"]
+    expected: FAIL
+
+  [TrustedScriptURL interface: operation unsafelyCreate(DOMString)]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must not have property "name"]
+    expected: FAIL
+
+  [TrustedURL interface: window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") must inherit property "unsafelyCreate(USVString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: window.TrustedTypes must not have property "createPolicy"]
+    expected: FAIL
+
+  [TrustedScriptURL interface object name]
+    expected: FAIL
+
+  [TrustedScriptURL interface: stringifier]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })]
+    expected: FAIL
+
+  [TrustedHTML interface: window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") must inherit property "unsafelyCreate(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedHTML interface: calling unsafelyCreate(DOMString) on window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedHTML interface: window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string") must inherit property "escape(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedScript interface object length]
+    expected: FAIL
+
+  [TrustedURL interface object length]
+    expected: FAIL
+
+  [TrustedScript must be primary interface of window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")]
+    expected: FAIL
+
+  [TrustedScriptURL interface object length]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy must be primary interface of window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })]
+    expected: FAIL
+
+  [TrustedHTML interface object length]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must not have property "createScript"]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must not have property "createScriptURL"]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")]
+    expected: FAIL
+
+  [TrustedURL interface: operation create(USVString)]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedHTML interface object name]
+    expected: FAIL
+
+  [TrustedURL interface: window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") must inherit property "create(USVString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must not have property "createHTML"]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedHTML interface: stringifier]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes]
+    expected: FAIL
+
+  [TrustedHTML interface: operation escape(DOMString)]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory must be primary interface of window.TrustedTypes]
+    expected: FAIL
+
+  [TrustedScriptURL interface: window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string") must inherit property "unsafelyCreate(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedURL interface: calling create(USVString) on window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedHTML interface: operation unsafelyCreate(DOMString)]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedHTML must be primary interface of window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")]
+    expected: FAIL
+
+  [TrustedURL must be primary interface of window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")]
+    expected: FAIL
+
+  [TrustedScriptURL interface: calling unsafelyCreate(DOMString) on window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface: operation unsafelyCreate(USVString)]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")]
+    expected: FAIL
+
diff --git a/testing/web-platform/meta/trusted-types/idlharness.window.js.ini b/testing/web-platform/meta/trusted-types/idlharness.window.js.ini
new file mode 100644
index 000000000000..5e0de19cda2a
--- /dev/null
+++ b/testing/web-platform/meta/trusted-types/idlharness.window.js.ini
@@ -0,0 +1,214 @@
+[idlharness.window.html]
+  [TrustedURL interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: operation createPolicy(DOMString, TrustedTypePolicyOptions)]
+    expected: FAIL
+
+  [TrustedScriptURL must be primary interface of window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createScript(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedScript interface: stringifier]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: window.TrustedTypes must inherit property "createPolicy(DOMString, TrustedTypePolicyOptions)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface object name]
+    expected: FAIL
+
+  [TrustedURL interface: stringifier]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createScriptURL(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedScript interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createURL(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedURL interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface object length]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createURL(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createHTML(DOMString)]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createScriptURL(DOMString)]
+    expected: FAIL
+
+  [TrustedScriptURL interface object name]
+    expected: FAIL
+
+  [TrustedScriptURL interface: stringifier]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: calling createPolicy(DOMString, TrustedTypePolicyOptions) on window.TrustedTypes with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createScriptURL(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createHTML(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedScript interface object length]
+    expected: FAIL
+
+  [TrustedURL interface object length]
+    expected: FAIL
+
+  [TrustedScript must be primary interface of window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")]
+    expected: FAIL
+
+  [TrustedScriptURL interface object length]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy must be primary interface of window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: attribute name]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedHTML interface object length]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface object name]
+    expected: FAIL
+
+  [TrustedHTML interface object name]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: calling createScript(DOMString) on window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [TrustedHTML interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: operation getPolicyNames()]
+    expected: FAIL
+
+  [TrustedScriptURL interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedHTML interface: stringifier]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "name" with the proper type]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory must be primary interface of window.TrustedTypes]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createScript(DOMString)]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedURL interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s }) must inherit property "createHTML(DOMString)" with the proper type]
+    expected: FAIL
+
+  [TrustedHTML must be primary interface of window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")]
+    expected: FAIL
+
+  [TrustedScript interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicy interface object length]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: window.TrustedTypes must inherit property "getPolicyNames()" with the proper type]
+    expected: FAIL
+
+  [Stringification of window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")]
+    expected: FAIL
+
+  [TrustedURL must be primary interface of window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")]
+    expected: FAIL
+
+  [TrustedTypePolicyFactory interface: existence and properties of interface object]
+    expected: FAIL
+
+  [TrustedTypePolicy interface: operation createURL(DOMString)]
+    expected: FAIL
+