Moved the test for virtual bases to CSharp.h because of unrelated bugs in C++/CLI.

The bugs lead to uncompilable code and break the build. They have been reported at https://github.com/mono/CppSharp/issues/668 and https://github.com/mono/CppSharp/issues/669.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

tests/CSharp/CSharp.h

@@ -875,6 +875,10 @@ public:
     static bool dtorCalled;
 };
 
+class DLL_API ClassWithVirtualBase : public virtual Foo
+{
+};
+
 namespace NamespaceA
 {
 	CS_VALUE_TYPE class DLL_API A

tests/Common/Common.h

@@ -678,11 +678,6 @@ public:
     int Value;
 };
 
-class DLL_API ClassWithVirtualBase : public virtual ClassC
-{
-
-};
-
 // Test decltype
 int Expr = 0;
 DLL_API decltype(Expr) TestDecltype()