Bug 343033 [Model] Allow reflective method invocation
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/model/test/impl/TestHarnessImpl.java
return parameters != null && !parameters.isEmpty();
			case MTestPackage.TEST_HARNESS__CATEGORY:
				return category != null;
			case MTestPackage.TEST_HARNESS__CONTEXT:
				return CONTEXT_EDEFAULT == null ? context != null : !CONTEXT_EDEFAULT.equals(context);
			case MTestPackage.TEST_HARNESS__VARIABLES:
				return variables != null && !variables.isEmpty();
			case MTestPackage.TEST_HARNESS__PROPERTIES:
				return properties != null && !properties.isEmpty();
			case MTestPackage.TEST_HARNESS__CONTRIBUTION_URI:
				return CONTRIBUTION_URI_EDEFAULT == null ? contributionURI != null : !CONTRIBUTION_URI_EDEFAULT.equals(contributionURI);
			case MTestPackage.TEST_HARNESS__OBJECT:
				return OBJECT_EDEFAULT == null ? object != null : !OBJECT_EDEFAULT.equals(object);
			case MTestPackage.TEST_HARNESS__PERSISTED_STATE:
				return persistedState != null && !persistedState.isEmpty();
			case MTestPackage.TEST_HARNESS__WIDGET:
				return WIDGET_EDEFAULT == null ? widget != null : !WIDGET_EDEFAULT.equals(widget);
			case MTestPackage.TEST_HARNESS__RENDERER:
				return RENDERER_EDEFAULT == null ? renderer != null : !RENDERER_EDEFAULT.equals(renderer);
			case MTestPackage.TEST_HARNESS__TO_BE_RENDERED:
				return toBeRendered != TO_BE_RENDERED_EDEFAULT;
			case MTestPackage.TEST_HARNESS__ON_TOP:
				return onTop != ON_TOP_EDEFAULT;
			case MTestPackage.TEST_HARNESS__VISIBLE:
				return visible != VISIBLE_EDEFAULT;
			case MTestPackage.TEST_HARNESS__PARENT:
				return getParent() != null;
			case MTestPackage.TEST_HARNESS__CONTAINER_DATA:
				return CONTAINER_DATA_EDEFAULT == null ? containerData != null : !CONTAINER_DATA_EDEFAULT.equals(containerData);
			case MTestPackage.TEST_HARNESS__CUR_SHARED_REF: