Mark fake_thing_test as failing again.

tests/compiler/dart2js_native/dart2js_native.status

Index: tests/compiler/dart2js_native/dart2js_native.status
diff --git a/tests/compiler/dart2js_native/dart2js_native.status b/tests/compiler/dart2js_native/dart2js_native.status
index ce5e49c07d9ae1da2aa9c3ac422a829d4f4fbebb..a74105249369d6ea540d75c83eb72b3bcf222844 100644
--- a/tests/compiler/dart2js_native/dart2js_native.status
+++ b/tests/compiler/dart2js_native/dart2js_native.status
@@ -11,6 +11,9 @@ call_on_native_class_test: CompileTimeError # Issue 14813
 native_no_such_method_exception4_frog_test: Fail  # Issue 9631
 native_no_such_method_exception5_frog_test: Fail  # Issue 9631
 
+[ $compiler == dart2js && $unminified ]
+fake_thing_test: Fail # Issue 13010
+
 [ $compiler == dart2js && $minified ]
 optimization_hints_test: Fail, OK # Test relies on unminified names.