Add response body validation for get calls to test package

When the response body validation was added to the testing package, it wasn't added to the testGet method. It needs to be added

added Feature Request statewip team:webdev labels

assigned to @zacharysabourin

mentioned in commit zacharysabourin/eclipsefdn-api-common@4bf2ddf1

mentioned in merge request !62 (merged)

added statereview label and removed statewip label

mentioned in commit zacharysabourin/eclipsefdn-api-common@e52ccf38

closed with commit e52ccf38

closed with merge request !62 (merged)