Add USERSNAP_SPACE_API_KEY configuration in test deployment

[mesudip]

List of changes

• Add USERSNAP_SPACE_API_KEY configuration in test deployment

Checklist

• Invalid api-key error log on sentry  #1335
• My changes generate no new warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the changelog
• I have added tests that prove my fix is effective or that my feature works

[NabinKawan]

LGTM