[CDTOOL-1269] Refactor commands to use updated testing framework

[rcaril]

Change summary

This PR updates the tests for service and stats commands to the newer version of our test framework.

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

New Feature Submissions:

• Does your submission pass tests?

Changes to Core Features:

• Have you written new tests for your core changes, as applicable?
• Have you successfully run tests with your changes locally?

User Impact

None, these are simply test updates.

[rcaril]

 make test TEST_ARGS="-run TestServiceAuthCreate ./pkg/commands/service/auth"
ok      github.com/fastly/cli/pkg/commands/service/auth 1.081s

make test TEST_ARGS="-run TestServiceAuthList ./pkg/commands/service/auth"
ok      github.com/fastly/cli/pkg/commands/service/auth 1.094s

 make test TEST_ARGS="-run TestServiceAuthDescribe ./pkg/commands/service/auth"
ok      github.com/fastly/cli/pkg/commands/service/auth 1.097s

make test TEST_ARGS="-run TestServiceAuthUpdate ./pkg/commands/service/auth"
ok      github.com/fastly/cli/pkg/commands/service/auth 1.088s

make test TEST_ARGS="-run TestServiceAuthDelete ./pkg/commands/service/auth"
ok      github.com/fastly/cli/pkg/commands/service/auth 1.076s

--
make test TEST_ARGS="-run TestServiceCreate ./pkg/commands/service"
ok      github.com/fastly/cli/pkg/commands/service      1.102s

make test TEST_ARGS="-run TestServiceList ./pkg/commands/service"
ok      github.com/fastly/cli/pkg/commands/service      1.073s

make test TEST_ARGS="-run TestServiceDescribe ./pkg/commands/service"
ok      github.com/fastly/cli/pkg/commands/service      1.097s

make test TEST_ARGS="-run TestServiceSearch ./pkg/commands/service"
ok      github.com/fastly/cli/pkg/commands/service      1.091s

make test TEST_ARGS="-run TestServiceUpdate ./pkg/commands/service"
ok      github.com/fastly/cli/pkg/commands/service      1.128s

--

make test TEST_ARGS="-run TestRegions ./pkg/commands/stats"
ok      github.com/fastly/cli/pkg/commands/stats        1.046s

--
 make test TEST_ARGS="-run TestHistorical ./pkg/commands/stats"
ok      github.com/fastly/cli/pkg/commands/stats        1.064s

[philippschulte]

Thanks for doing this. It looks to me that some args and therefore test cases have change. Please double check and maybe there is a good reason for it but in general I would prefer if they would stay the same. Thanks!

[philippschulte]

Thanks!

[rcaril]

Added the Name field in these updated tests for a clearer picture of what is being tested.
b9a28ae