* Acquire token for NoSQL account prior to running tests.
* Change client id to user assigned managed identity.
* Change to use managed identity. Add token variables for gremlin and
tables.
* Add RBAC details to test README.
* Add token for SQL readonly database. Skip resource token tests when RBAC
enabled.
* Use hardcoded account name for sql readonly.
* Use specific tag for sql readonly.
* Remove comment.
* Use Az login with OpenID connection to get test credentials.
* Set subscription id environment variable.
* Update testExplorer and cleanup job.
* Retrieve access token in test case and pass to testExplorer.
* Add debug tracing for tests.
* Set up other mongo test to use Az CLI creds.
* Revert subscription id retrieval.
* Add CLI credentials retrieval to rest of tests.
* Fix missing imports.
* Clean up redundant code.
* Remove commented import statement.
