Fix Evaluate tests for emscripten build

Author: anutosh491

unittests/CppInterOp/InterpreterTest.cpp

@@ -59,9 +59,6 @@ TEST(InterpreterTest, DebugFlag) {
 }
 
 TEST(InterpreterTest, Evaluate) {
-#ifdef EMSCRIPTEN
-  GTEST_SKIP() << "Test fails for Emscipten builds";
-#endif
 #ifdef _WIN32
   GTEST_SKIP() << "Disabled on Windows. Needs fixing.";
 #endif
@@ -71,6 +68,7 @@ TEST(InterpreterTest, Evaluate) {
   //EXPECT_TRUE(Cpp::Evaluate(I, "__cplusplus;") == 201402);
   // Due to a deficiency in the clang-repl implementation to get the value we
   // always must omit the ;
+  Cpp::CreateInterpreter();
   EXPECT_TRUE(Cpp::Evaluate("__cplusplus") == 201402);
 
   bool HadError;