clang-format: [JS] Properly reset parse state after parsing interface.

llvm-svn: 241446
diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index d8e17f9..24891f5 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -703,6 +703,10 @@
                "  x: string;\n"
                "}\n"
                "var y;");
+  // Ensure that state is reset after parsing the interface.
+  verifyFormat("interface a {}\n"
+               "export function b() {}\n"
+               "var x;");
 }
 
 TEST_F(FormatTestJS, EnumDeclarations) {