Adding GraphUri in the env. setup script
Adding RoleAssignment tests
Adding recorder mocks for RoleAssignment tests
Merge branch 'dev' of github.com:Azure/azure-sdk-tools into rbacbagfix
Fixing build break
Fixing failing tests and rerecording mocks
Fixing whitespaces
Removing skipped test case to PBI 2296416
Merge pull request #2915 from hovsepm/rbacbagfix

[RBAC] Add mock tests for role assignment cmdlets (2265384)