Remove ObjectMirror.[].

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index 2a75cebeaaeb5eeb2508962c8434416382b14ed3..9b2b29dc471852db4bfb05c6a038929f13c43626 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -64,7 +64,6 @@ mirrors/invoke_closurization_test: RuntimeError # Issue 13002
 mirrors/invoke_named_test/none: RuntimeError # Issue 12863
 mirrors/invoke_private_test: CompileTimeError # Issue 12164
 mirrors/invoke_private_wrong_library_test: CompileTimeError # Issue 12164
-mirrors/invoke_subscript_test: RuntimeError # Issue 13002
 mirrors/invoke_throws_test: RuntimeError # Issue 11954
 mirrors/library_declarations_test/none: RuntimeError # Issue 13439, Issue 13733
 mirrors/library_exports_shown_test: RuntimeError # Issue 6490
@@ -124,7 +123,6 @@ mirrors/null_test: Fail # http://dartbug.com/16831
 [ $compiler == dart2js && $runtime == chromeOnAndroid ]
 typed_data/setRange_2_test: RuntimeError # TODO(dart2js-team): Please triage this failure.
 typed_data/setRange_3_test: RuntimeError # TODO(dart2js-team): Please triage this failure.
-mirrors/invoke_subscript_test: RuntimeError, Timeout # Issue 15610
 
 [ $compiler == dart2js && $runtime != jsshell && $runtime != safari && $runtime != ff && $runtime != ie9 && $runtime != ie10]
 math/math_test: RuntimeError