Test case ClientRegistrationTest.registerClientInMasterRealm() fails when run against ER5 and ER6 product builds.

The test passes when run against the community version.

Failing test case: https://github.com/keycloak/keycloak/blob/master/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/client/ClientRegistrationTest.java#L72