Make runner test Theory with e.g. ClassData

Before this, this runner couldn't test tests using the ClassData,
MemberData attributes. But, since I set PreEnumerateTheories flag to
false, it has been able to test them.

Assets/Scripts/EntryPoint.cs

@@ -145,6 +145,7 @@ void run(string path)
                     ITestFrameworkDiscoveryOptions discoveryOptions =
                         TestFrameworkOptions.ForDiscovery(configuration);
                     discoveryOptions.SetSynchronousMessageReporting(true);
+                    discoveryOptions.SetPreEnumerateTheories(false);
                     controller.Find(false, messageSink, discoveryOptions);
                     messageSink.DiscoveryCompletionWaitHandle.WaitOne();
                     ITestCase[] testCases =