GCP release/0.7 hotfix tags records

Changes:

• Records have tags in datastore.
• Fixed int tests.
• Removed ValidationDoc.INVALID_RECORD_ID from records endpoints.

Type of change

• Bug Fix
• Feature

Does this introduce a change in the core logic?

• [NO]

Does this introduce a change in the cloud provider implementation, if so which cloud?

• AWS
• Azure
• GCP
• IBM

Does this introduce a breaking change?

• [NO]

What is the current behavior?

!129 (merged) was merged into master. Records did not have tags in datastore GCP.

What is the new/expected behavior?

Records have tags in datastore. Fixed int tests. Removed ValidationDoc.INVALID_RECORD_ID from records endpoints.

Any other useful information

!129 (merged)