Quote test command in workflow file

Author: charleshofer

.github/workflows/rocm-ci.yml

@@ -59,5 +59,5 @@ jobs:
       - name: Run tests
         run: |
           cd $WORKSPACE_DIR
-          python3 build/rocm/ci_build test $TEST_IMAGE --test-cmd pytest tests/core_test.py
+          python3 build/rocm/ci_build test $TEST_IMAGE --test-cmd "pytest tests/core_test.py"