fixing tests-ui test failures

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178929 a5903396-d722-0410-b921-86c7d4935375
adding RegistryConfiguratorTestCase to allow configurations to be changed before ui tests are run

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178930 a5903396-d722-0410-b921-86c7d4935375