diff --git a/content/base/test/chrome/test_csp_bug768029.html b/content/base/test/chrome/test_csp_bug768029.html
index 0eaa19bae725..a85ba71dfcd1 100644
--- a/content/base/test/chrome/test_csp_bug768029.html
+++ b/content/base/test/chrome/test_csp_bug768029.html
@@ -29,7 +29,7 @@ const DEFAULT_CSP_PRIV = "default-src *; script-src 'self'; style-src 'self' 'un
 const DEFAULT_CSP_CERT = "default-src *; script-src 'self'; style-src 'self'; object-src 'none'";
 
 if (navigator.platform.startsWith("Linux")) {
-  SimpleTest.expectAssertions(0, 1);
+  SimpleTest.expectAssertions(0, 1); // bug 846137, ASSERTION: wrong thread: 'PR_GetCurrentThread() == gSocketThread'
 }
 SimpleTest.waitForExplicitFinish();