Run unit tests concurrently in CI (microsoft#6314)

.github/workflows/build.yml

@@ -69,18 +69,15 @@ jobs:
           rm -rf /github/home/.cache
           mkdir -p /github/home/.cache
           export ASAN_SYMBOLIZER_PATH=$(realpath /usr/bin/llvm-symbolizer-15)
+          # Unit tests
+          ./tests.sh --output-on-failure -L unit -j$(nproc --all)
+          # All other acceptably fast tests, mostly end-to-end
+          ./tests.sh --timeout 360 --output-on-failure -LE "benchmark|perf|protocolstest|vegeta|suite|unit"
+          # Partitions tests
           ./tests.sh --timeout 360 --output-on-failure -LE "benchmark|perf|protocolstest|vegeta|suite"
         shell: bash
         if: "${{ matrix.platform.name != 'snp' }}" # Needs 1ES Pool support
 
-      - name: "Partitions Test ${{ matrix.platform.name }}"
-        run: |
-          set -ex
-          cd build
-          ./tests.sh --timeout 240 --output-on-failure -L partitions -C partitions
-        shell: bash
-        if: "${{ matrix.platform.name != 'snp' }}" # Needs 1ES Pool support
-
       - name: "Upload logs for ${{ matrix.platform.name }}"
         uses: actions/upload-artifact@v4
         with:

cmake/common.cmake

@@ -17,7 +17,7 @@ function(add_unit_test name)
   set_property(
     TEST ${name}
     APPEND
-    PROPERTY LABELS unit_test
+    PROPERTY LABELS unit
   )
 
   set_property(