fix(environment): adjust getEnvironment exception handling

[Phil91]

Description

Adding error handling for getEnvironmentId to check for non existing environments

Why

The check for tenant environments did only check for > 1 not any

Issue

Refs: #84 #87

Checklist

• I have performed a self-review of my own code
• I have successfully tested my changes locally
• I have added tests that prove my changes work
• I have checked that new and existing tests pass locally with my changes
• I have commented my code, particularly in hard-to-understand areas
• I have added copyright and license headers, footers (for .md files) or files (for images)