All Concurrency Unittest failed

Hi, I am new to github actions, when I try to run unittest on Github Actions, I noticed all concurrency unittest failed. I am looking for some hints, is there any setting I need to change?

Thank you so much!

runs-on: macOS-latest
        - name: Test
        uses: actions/checkout@v1
       - name: Build and Test
        run:  xcodebuild test \
            -project myproj.xcodeproj \
            -scheme myproj \
            -destination 'platform=iOS Simulator,name=iPhone 11' \
            -enableCodeCoverage YES \
            build test