Desynchronize upb/pure tests

Author: mkruskal-google

.github/workflows/test_upb.yml

@@ -316,11 +316,11 @@ jobs:
         # Test the first release of each python major version, plus some extra coverage for 3.x.y
         # since it predates our breaking change policies.
         # Major versions: 4.21.0, 5.26.0, 6.30.0
-        version: ["3.19.0", "3.20.0", "21.0", "26.0"]
+        version: ["3.18.0", "3.20.0", "21.0", "26.0"]
         implementation: ["Pure", "upb"]
         include:
-          # We don't support 3.19.0 anymore, so our infra should show a failure.
-          - version: "3.19.0"
+          # We don't support 3.18.0 anymore, so our infra should show a failure.
+          - version: "3.18.0"
             fail: true
     runs-on: ubuntu-latest
     if: ${{ github.event_name != 'pull_request_target' }}
@@ -362,7 +362,7 @@ jobs:
         run: chmod +x ci/python_compatibility.sh
       - name: Run compatibility tests
         if: ${{ inputs.continuous-run && !matrix.fail }}
-        run: ci/python_compatibility.sh ${{ matrix.version }}
+        run: ci/python_compatibility.sh ${{ matrix.version }} ${{ matrix.implementation == 'upb' && "pb_unit_tests.*py$" || "_test.py" }}
       - name: Run failing compatibility tests
         if: ${{ inputs.continuous-run && matrix.fail }}
-        run: (! ci/python_compatibility.sh ${{ matrix.version }})
+        run: (! ci/python_compatibility.sh ${{ matrix.version }}) ${{ matrix.implementation == 'upb' && "pb_unit_tests.*py$" || "_test.py" }}

ci/python_compatibility.sh

@@ -3,6 +3,7 @@
 set -ex
 
 PROTOC_VERSION=$1
+TEST_FILTER=$1
 PROTOC_DOWNLOAD=https://github.com/protocolbuffers/protobuf/releases/download/v$PROTOC_VERSION/protoc-$PROTOC_VERSION-linux-x86_64.zip
 PY_SITE_PACKAGES=$(python -c 'import site; print(site.getsitepackages()[0])')
 
@@ -74,5 +75,5 @@ done
 # Exclude pybind11 tests because they require C++ code that doesn't ship with
 # our test wheels.
 TEST_EXCLUSIONS="_pybind11_test.py"
-TESTS=$(pip show -f protobuftests | grep -i _test.py | grep --invert-match $TEST_EXCLUSIONS | sed 's,/,.,g' | sed -E 's,.py$,,g')
+TESTS=$(pip show -f protobuftests | grep -i $TEST_FILTER | grep --invert-match $TEST_EXCLUSIONS | sed 's,/,.,g' | sed -E 's,.py$,,g')
 python -m unittest -v ${TESTS[@]}