fix: remove DATABASE_URL env var that conflicts with parallel tests

Author: jaspermayone

.github/workflows/ci.yml

@@ -18,7 +18,6 @@ env:
   ACTIVE_RECORD_ENCRYPTION_PRIMARY_KEY: test-primary-key-32-bytes-long!!
   ACTIVE_RECORD_ENCRYPTION_DETERMINISTIC_KEY: test-deterministic-key-32-bytes!
   ACTIVE_RECORD_ENCRYPTION_KEY_DERIVATION_SALT: test-salt-for-key-derivation
-  DATABASE_URL: postgres://postgres:postgres@localhost:5432/test
 
 jobs:
   lint:
@@ -113,7 +112,6 @@ jobs:
 
       - name: Run Tests
         env:
-          DATABASE_URL: postgres://postgres:postgres@localhost:5432/test
           REDIS_URL: redis://localhost:6379/0
         run: bundle exec parallel_rspec spec -n 2 -o '--format progress'
 
@@ -164,16 +162,13 @@ jobs:
           bundler-cache: true
 
       - name: Setup Database
-        env:
-          DATABASE_URL: postgres://postgres:postgres@localhost:5432/test
         run: |
           bundle exec rails db:create
           bundle exec rails db:schema:load
 
       - name: Run API specs with OpenAPI generation
         env:
           OPENAPI: 1
-          DATABASE_URL: postgres://postgres:postgres@localhost:5432/test
           REDIS_URL: redis://localhost:6379/0
         run: bundle exec rspec spec/requests/api --format progress