Added test for sketch containing "class enums"

See arduino/ctags#5 for a fix.

Signed-off-by: Cristian Maglie <c.maglie@arduino.cc>

Author: cmaglie

src/arduino.cc/builder/test/sketch_with_enum_class/sketch_with_enum_class.ino

@@ -0,0 +1,19 @@
+void test() {
+  test2();
+}
+
+enum class MyEnum
+{
+  AValue = 0,
+  AnotherValue = 1
+};
+
+void test2() {
+}
+
+void setup() {
+}
+
+void loop() {
+}
+

src/arduino.cc/builder/test/try_build_of_problematic_sketch_test.go

@@ -181,6 +181,10 @@ func TestTryBuild034(t *testing.T) {
 	tryBuild(t, "sketch_with_static_asserts", "sketch_with_static_asserts.ino")
 }
 
+func TestTryBuild035(t *testing.T) {
+	tryBuild(t, "sketch_with_enum_class", "sketch_with_enum_class.ino")
+}
+
 func makeDefaultContext(t *testing.T) map[string]interface{} {
 	DownloadCoresAndToolsAndLibraries(t)