[WFLY-13703] Increase the test coverage of LayersTestCase for the all layers case
[WFLY-13703] Increase the test coverage of LayersTestCase for the all layers case

wildfly/wildfly,iweiss/wildfly,iweiss/wildfly,rhusar/wildfly,rhusar/wildfly,pferraro/wildfly,jstourac/wildfly,jstourac/wildfly,pferraro/wildfly,iweiss/wildfly,wildfly/wildfly,pferraro/wildfly,wildfly/wildfly,wildfly/wildfly,pferraro/wildfly,jstourac/wildfly,rhusar/wildfly,jstourac/wildfly,iweiss/wildfly,rhusar/wildfly