mus: Add views_mus_interactive_ui_tests target

ui/views/run_all_unittests.cc

Index: ui/views/run_all_unittests.cc
diff --git a/ui/views/run_all_unittests.cc b/ui/views/run_all_unittests.cc
index 7ffeac9e1896faa8bf4e841abe289c268d544183..3c3c7e7793cb9b0c5dc540f00b82d9ad7aa00f37 100644
--- a/ui/views/run_all_unittests.cc
+++ b/ui/views/run_all_unittests.cc
@@ -62,4 +62,12 @@ int RunAllUnittests(int argc, char** argv) {
                              base::Unretained(&test_suite)));
 }
 
+int RunAllUnittestsSerially(int argc, char** argv) {
+  ViewTestSuite test_suite(argc, argv);
+
+  return base::LaunchUnitTestsSerially(
+      argc, argv,
+      base::Bind(&ViewTestSuite::Run, base::Unretained(&test_suite)));
+}
+
 }  // namespace views