run VS tests in parallel (#1414)

Signed-off-by: Lawrence Lee <[email protected]>

.azure-pipelines/test-docker-sonic-vs-template.yml

@@ -96,20 +96,10 @@ jobs:
       fi
       all_tests=$(ls test_*.py)
       all_tests="${all_tests} p4rt"
-      test_set=()
-      # Run 20 tests as a set.
-      for test in ${all_tests}; do
-        test_set+=("${test}")
-        if [ ${#test_set[@]} -ge 20 ]; then
-          test_name=$(echo "${test_set[0]}" | cut -d "." -f 1)
-          echo "${test_set[*]}" | xargs sudo py.test -v --force-flaky --junitxml="${test_name}_tr.xml" $params --imgname=docker-sonic-vs:$(Build.DefinitionName).$(Build.BuildNumber).asan-${{ parameters.asan }}
-          test_set=()
-        fi
-      done
-      if [ ${#test_set[@]} -gt 0 ]; then
-        test_name=$(echo "${test_set[0]}" | cut -d "." -f 1)
-        echo "${test_set[*]}" | xargs sudo py.test -v --force-flaky --junitxml="${test_name}_tr.xml" $params --imgname=docker-sonic-vs:$(Build.DefinitionName).$(Build.BuildNumber).asan-${{ parameters.asan }}
-      fi
+      RETRY=3
+      IMAGE_NAME=docker-sonic-vs:$(Build.DefinitionName).$(Build.BuildNumber).asan-${{ parameters.asan }}
+      echo $all_tests | xargs -n 1 | xargs -P 8 -I TEST_MODULE sudo ./run-tests.sh "$IMAGE_NAME" "$params" "TEST_MODULE" "$RETRY"
+
       rm -rf $(Build.ArtifactStagingDirectory)/download
     displayName: "Run vs tests"
     ${{ if or(ne(variables['Build.Reason'], 'PullRequest'), eq(parameters.asan, true)) }}: