Separated test runs by framework to avoid file-locking conflicts

.github/workflows/build.yml

@@ -23,12 +23,21 @@ jobs:
 
     # there are cases where this will fail and we want to know about it
     # so we don't use continue-on-error, but we still want to publish the results
-    - name: Test project
-      id: test
-      run: dotnet test -bl:test.binlog --filter "TestCategory != SkipOnTeamCity" --blame-hang-timeout 5m --logger:"trx;LogFilePrefix=results" --results-directory ./test-results
+    # Separate test steps for each framework to avoid file lock issues
+    - name: Test project (netcoreapp2.1)
+      id: test_netcoreapp21
+      run: dotnet test -bl:test_netcoreapp21.binlog --framework netcoreapp2.1 --filter "TestCategory != SkipOnTeamCity" --blame-hang-timeout 5m --logger:"trx;LogFilePrefix=results_netcoreapp21" --results-directory ./test-results/netcoreapp2.1
+
+    - name: Test project (net6.0)
+      id: test_net6
+      run: dotnet test -bl:test_net6.binlog --framework net6.0 --filter "TestCategory != SkipOnTeamCity" --blame-hang-timeout 5m --logger:"trx;LogFilePrefix=results_net6" --results-directory ./test-results/net6.0
+
+    - name: Test project (net8.0)
+      id: test_net8
+      run: dotnet test -bl:test_net8.binlog --framework net8.0 --filter "TestCategory != SkipOnTeamCity" --blame-hang-timeout 5m --logger:"trx;LogFilePrefix=results_net8" --results-directory ./test-results/net8.0
 
     - name: Publish test results
-      if: ${{ !cancelled() && steps.test.outcome != 'skipped' }}
+      if: ${{ !cancelled() && (steps.test_netcoreapp21.outcome != 'skipped' || steps.test_net6.outcome != 'skipped' || steps.test_net8.outcome != 'skipped') }}
       uses: EnricoMi/publish-unit-test-result-action/windows@v2
       with:
         check_name: LibPalaso Tests
@@ -43,4 +52,6 @@ jobs:
         name: binary-logs
         path: |
           build.binlog
-          test.binlog
+          test_netcoreapp21.binlog
+          test_net6.binlog
+          test_net8.binlog