[JBQA-5281] Web subsystem testsuite --- SingleSignOn test case
Enabled SSOtest.
[JBQA-6054] - Added clustered single-sign-on test cases.
Disabled SingleSignOnUnitTestCase.
Fixed URL in noauth sso test.
Removed unnecessary waits between accessing alternate nodes as the SSO
cache is now sync by default.
Fixed cookie copy code.
Removed duplicated classes.
Fixed SingleSignOnUnitTestCase.
Fixed cookie copy.
ClusteredSingleSignOnTestCase - remove SSO config after test.
ClusteredSingleSignOnTestCase - avoid :reload op