Add test to shims

Author: mhegazy

tests/cases/fourslash/shims/goToTypeDefinition.ts

@@ -0,0 +1,14 @@
+/// <reference path='fourslash.ts' />
+
+// @Filename: goToTypeDefinition_Definition.ts
+/////*definition*/class C {
+////    p;
+////}
+////var c: C;
+
+// @Filename: goToTypeDefinition_Consumption.ts
+/////*reference*/c = undefined;
+
+goTo.marker('reference');
+goTo.type();
+verify.caretAtMarker('definition');