[tmp][CI] Debug regression tests

.github/workflows/tests.yml

@@ -178,6 +178,7 @@ jobs:
         python3 -m pip install --upgrade-strategy eager --upgrade twine build fusepy cffi
 
     - name: Test Startup With Only One Compression Dependency
+      if: false
       run: |
         for module in indexed_gzip indexed_zstd lzmaffi python-xz; do
           python3 -m pip install --upgrade "$module"
@@ -235,6 +236,7 @@ jobs:
         python3 -c 'import pygit2'
 
     - name: Unit Tests
+      if: false
       run: |
         python3 -m pip install pytest pytest-xdist
         for file in core/tests/test_*.py tests/test_*.py; do