fix(ci): split test execution to prevent memory segfault

- Run full test suite without coverage collection first
- Collect coverage only on core modules to reduce memory pressure
- Add .coveragerc configuration for better memory management
- Address persistent exit code 139 in CI environment

Author: sidmohan0

.coveragerc

@@ -0,0 +1,28 @@
+[run]
+source = datafog
+omit = 
+    */tests/*
+    */test_*
+    */__pycache__/*
+    */venv/*
+    */env/*
+    setup.py
+
+[report]
+exclude_lines =
+    pragma: no cover
+    def __repr__
+    if self.debug:
+    if settings.DEBUG
+    raise AssertionError
+    raise NotImplementedError
+    if 0:
+    if __name__ == .__main__.:
+    class .*\bProtocol\):
+    @(abc\.)?abstractmethod
+
+[xml]
+output = coverage.xml
+
+[html]
+directory = htmlcov

.github/workflows/ci.yml

@@ -44,9 +44,13 @@ jobs:
           pip install -e ".[all]"
           pip install -r requirements-dev.txt
 
-      - name: Run full test suite
+      - name: Run test suite (without coverage)
         run: |
-          python -m pytest tests/ --cov=datafog --cov-report=xml
+          python -m pytest tests/ -v
+          
+      - name: Run coverage on core modules only  
+        run: |
+          python -m pytest tests/test_text_service.py tests/test_regex_annotator.py tests/test_anonymizer.py --cov=datafog --cov-report=xml --cov-config=.coveragerc
 
       - name: Upload coverage
         uses: codecov/codecov-action@v4