test: Added graph view UI tests

testing/graph_view/data/interaction_files/include.h

@@ -0,0 +1,31 @@
+#ifndef __INCLUDE__
+#define __INCLUDE__
+
+class Class
+{
+public:
+	virtual void method();
+	int member;
+};
+
+struct Struct {};
+
+enum Enum
+{
+	ENUM_CONSTANT
+};
+
+typedef int TypeDef;
+
+namespace package
+{
+	class C {};
+}
+
+struct Str1 {};
+struct Str2 {};
+struct Str3 {};
+struct Str4 {};
+struct Str5 {};
+
+#endif