fix: remove unnecessary env vars (#1886)

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## Description
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Remove variables that are not needed in tests.

## Motivation
<!-- Background on use case, changes needed -->
This will allow to raise error when connection to rabbitmq fails from
#1872
## Fixes
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* Remove variables that are not needed in tests.
* 
## Changes:
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* changes made

## Tests included

- [ ] Included for each change/fix?
- [ ] Passing? <!-- Merge will not be approved unless tests pass -->

## Documentation
- [ ] swagger documentation updated (required for API changes)
- [ ] official documentation updated

### official documentation info
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Author: minottic

.github/workflows/test.yml

@@ -173,11 +173,6 @@ jobs:
           CLUSTER_NAME: es-cluster
           MEM_LIMIT: 4G
           JOB_CONFIGURATION_FILE: test/config/jobconfig.yaml
-          RABBITMQ_ENABLED: "yes"
-          RABBITMQ_HOSTNAME: "rabbitmq"
-          RABBITMQ_PORT: 5672
-          RABBITMQ_USERNAME: "guest"
-          RABBITMQ_PASSWORD: "guest"
 
         # Start mongo container and app before running api tests
         run: |