Adding Angular and dependent packages for testing

third_party/pkg/angular/test/config/filter_tests.dart

Index: third_party/pkg/angular/test/config/filter_tests.dart
diff --git a/third_party/pkg/angular/test/config/filter_tests.dart b/third_party/pkg/angular/test/config/filter_tests.dart
new file mode 100644
index 0000000000000000000000000000000000000000..10a97c308dfee0ed25d00b62ee465e96a063bbfa
--- /dev/null
+++ b/third_party/pkg/angular/test/config/filter_tests.dart
@@ -0,0 +1,16 @@
+import 'package:unittest/unittest.dart' as unit;
+import '../jasmine_syntax.dart' as jasmine;
+
+main() {
+  unit.filterStacks = true;
+  unit.formatStacks = false;
+  unit.filterTests((test) {
+    if (jasmine.ddescribeActive) {
+      String name = test.currentGroup;
+      return name.indexOf('DDESCRIBE: ') != -1;
+    } else {
+      return true;
+    }
+    return true;
+  });
+}