IDL compiler: Consolidate test IDL files

Source/bindings/tests/idls/TestInterfacePython2.idl

Index: Source/bindings/tests/idls/TestInterfacePython2.idl
diff --git a/Source/core/testing/LayerRectList.idl b/Source/bindings/tests/idls/TestInterfacePython2.idl
similarity index 81%
copy from Source/core/testing/LayerRectList.idl
copy to Source/bindings/tests/idls/TestInterfacePython2.idl
index 9dd2ca7fb17f1a98da02542095367fcb086f146c..f6198f3518b4a6ff8298f96c32812db98334571d 100644
--- a/Source/core/testing/LayerRectList.idl
+++ b/Source/bindings/tests/idls/TestInterfacePython2.idl
@@ -28,9 +28,12 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// This is for interface extended attributes that interact with another extended
+// attribute, and thus both cannot be tested at once.
+// The more *minor* extended attribute should be put in this file.
+
 [
-] interface LayerRectList {
-    readonly attribute unsigned long length;
-    getter LayerRect item(unsigned long index);
+    CustomVisitDOMWrapper, // Conflicts with [GenerateVisitDOMWrapper]
+    DependentLifetime,  // Covered by [ActiveDOMObject]
+] interface TestInterfacePython2 {
 };
-