clang-format: [JS] Support annotated classes.

llvm-svn: 272654
diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index 75b53a5..8410a0c 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -948,6 +948,11 @@
                "    },\n"
                "  };\n"
                "}");
+  verifyFormat("@Component({\n"
+               "  moduleId: module.id,\n"
+               "})\n"
+               "class SessionListComponent implements OnDestroy, OnInit {\n"
+               "}");
 }
 
 TEST_F(FormatTestJS, InterfaceDeclarations) {