fix - speed up litellm_proxy_unit_testing

Author: ishaan-jaff

.circleci/config.yml

@@ -604,6 +604,7 @@ jobs:
             pip install "jsonschema==4.22.0"
             pip install "pytest-postgresql==7.0.1"
             pip install "fakeredis==2.28.1"
+            pip install "pytest-xdist==3.6.1"
       - setup_litellm_enterprise_pip
       - save_cache:
           paths:
@@ -622,7 +623,7 @@ jobs:
           command: |
             pwd
             ls
-            python -m pytest tests/proxy_unit_tests --cov=litellm --cov-report=xml -vv -x -v --junitxml=test-results/junit.xml --durations=5
+            python -m pytest tests/proxy_unit_tests --cov=litellm --cov-report=xml -vv -x -v --junitxml=test-results/junit.xml --durations=5 -n 4
           no_output_timeout: 120m
       - run:
           name: Rename the coverage files