Review Feedback Vol. 2

Author: Vampire

spock-core/src/main/java/org/spockframework/mock/EmptyOrDummyResponse.java

@@ -161,7 +161,8 @@ private Object createDummy(IMockInvocation invocation) {
     Class<?> type = invocation.getMethod().getReturnType();
     Type genericType = invocation.getMethod().getExactReturnType();
     Specification spec = invocation.getMockObject().getSpecification();
-    return SpecInternals.createMock(spec, "dummy", genericType, MockNature.STUB, GroovyObject.class.isAssignableFrom(type) ?
-        MockImplementation.GROOVY : MockImplementation.JAVA, emptyMap(), null);
+    return GroovyObject.class.isAssignableFrom(type)
+      ? SpecInternals.GroovyStubImpl(spec, "dummy", genericType)
+      : SpecInternals.StubImpl(spec, "dummy", genericType);
   }
 }