CheckMetadata (project, "A", "Meta", new string[] { "@(B)", "" }, "K1");
CheckEvaluatedMetadata (project, "A", "Meta", new string[] { "", "" }, "K2");
CheckMetadata (project, "A", "Meta", new string[] { "@(B)", "" }, "K1");
CheckEvaluatedMetadata (project, "A", "Meta", new string[] { "", "" }, "K2");