@Test
public void testSetScopesIfSpecified_empty() throws Exception {

  String[] empty = {};
  annotationConfig.setScopesIfSpecified(empty);
  assertEquals(toScopeExpression(), config.getScopeExpression());
  String[] scopes = { "bleh", "more bleh" };
  annotationConfig.setScopesIfSpecified(scopes);
  annotationConfig.setScopesIfSpecified(empty);
  assertEquals(toScopeExpression(), config.getScopeExpression());
}