We should update gcp yaml files to correctly handle change in instance types in latest nise versions. Then chceck if the test still fail

If it doesnt fail, investigate how group by param made data visible previously..- that may be bug

Steps to reproduce:

1. ingest any GCP source (you can use test_api_gcp_ingest_single_source)

2. hit http://localhost:8000/api/cost-management/v1/reports/gcp/instance-types/

You will see no data

Note that if you add group_by param, the data will show up,

for example:

http://localhost:8000/api/cost-management/v1/reports/gcp/instance-types/?group_by[service]=*