Fix unit tests concurrency group naming.

Co-authored-by: Michael Kaye <1917473+michaelkaye@users.noreply.github.com>

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     # Allow all jobs on main and develop. Just one per PR.
     concurrency:
-      group: ${{ github.ref == 'refs/heads/main' && format('unit-test-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('unit-test-develop-{0}', github.sha) || format('unit-test-{0}', github.ref) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('unit-tests-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('unit-tests-develop-{0}', github.sha) || format('unit-tests-{0}', github.ref) }}
       cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2