Add tests file for invokeMethod

Is not known to work.

Author: JesseKPhillips

tests/com/invokemethod.d

@@ -0,0 +1,11 @@
+import juno.com.core;
+import std.exception;
+
+void main() {
+  enforce(juno.com.core.initAsClient());
+  scope(exit) juno.com.core.shutdown();
+
+  auto ieApp = coCreate!(IDispatch, ExceptionPolicy.Throw)("InternetExplorer.Application");
+
+  invokeMethod(ieApp, "Navigate", "http://www.amazon.com");
+}