HHH-18693 Changed existing test class to properly check generated metamodel class

Author: cigaly

tooling/metamodel-generator/src/test/java/org/hibernate/processor/test/separatecompilationunits/SeparateCompilationUnitsTest.java

@@ -28,7 +28,12 @@ public void testInheritance() throws Exception {
 		String entityMetaModel = getMetaModelSourceAsString( Entity.class );
 		assertTrue(
 				entityMetaModel.contains(
-						"extends org.hibernate.processor.test.separatecompilationunits.superclass.MappedSuperclass"
+						"import org.hibernate.processor.test.separatecompilationunits.superclass.MappedSuperclass_;"
+				)
+		);
+		assertTrue(
+				entityMetaModel.contains(
+						"extends MappedSuperclass_"
 				)
 		);
 	}