fix(proxy_server.py): get master key from environment, if not set in … (#9617)

* fix(proxy_server.py): get master key from environment, if not set in general settings or general settings not set at all

* test: mark flaky test

* test(test_proxy_server.py): mock prisma client

* ci: add new github workflow for testing just the mock tests

* fix: fix linting error

* ci(conftest.py): add conftest.py to isolate proxy tests

* build(pyproject.toml): add respx to dev dependencies

* build(pyproject.toml): add prisma to dev dependencies

* test: fix mock prompt management tests to use a mock anthropic key

* ci(test-litellm.yml): parallelize mock testing

make it run faster

* build(pyproject.toml): add hypercorn as dev dep

* build(pyproject.toml): separate proxy vs. core dev dependencies

make it easier for non-proxy contributors to run tests locally - e.g. no need to install hypercorn

* ci(test-litellm.yml): pin python version

* test(test_rerank.py): move test - cannot be mocked, requires aws credentials for e2e testing

* ci: add thank you message to ci

* test: add mock env var to test

* test: add autouse to tests

* test: test mock env vars for e2e tests

.github/workflows/test-litellm.yml

@@ -0,0 +1,35 @@
+name: LiteLLM Tests
+
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Thank You Message
+      run: |
+        echo "### 🙏 Thank you for contributing to LiteLLM!" >> $GITHUB_STEP_SUMMARY
+        echo "Your PR is being tested now. We appreciate your help in making LiteLLM better!" >> $GITHUB_STEP_SUMMARY
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.12'
+
+    - name: Install Poetry
+      uses: snok/install-poetry@v1
+
+    - name: Install dependencies
+      run: |
+        poetry install --with dev,proxy-dev --extras proxy
+        poetry run pip install pytest-xdist
+
+    - name: Run tests
+      run: |
+        poetry run pytest tests/litellm -x -vv -n 4