pulkitkalra-mdb

CLOUDP-224399: Update e2e and unit tests for dbRoleToExecute

1

## Proposed changes [CLOUDP-224399](https://jira.mongodb.org/browse/CLOUDP-224399) Now that the Atlas SDK has been updated, we can provide `dbRoleToExecute` in the config file on connection create and update. This PR adds automated tests...