diff --git a/build.gradle b/build.gradle
index 42aa2fa98196..39809a99d33a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -139,6 +139,9 @@ allprojects {
         if (it.hasProperty('android')) {
             android {
                 buildToolsVersion gradle.mozconfig.substs.ANDROID_BUILD_TOOLS_VERSION
+                testOptions {
+                    unitTests.includeAndroidResources = true
+                }
             }
         }
     }