Runs CTest with a single job when OpenMP

.github/workflows/cmake.yml

@@ -96,14 +96,26 @@ jobs:
         -D LAPACKE_WITH_TMG:BOOL=ON
         -D BUILD_SHARED_LIBS:BOOL=ON
 
-    - name: CTest
+    - name: Build
       working-directory: ${{github.workspace}}/build
       # Execute tests defined by the CMake configuration.  
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
       run: |
         ctest -D ExperimentalStart
         ctest -D ExperimentalConfigure
         ctest -D ExperimentalBuild -j2
+
+    - name: Test with OpenMP
+      working-directory: ${{github.workspace}}/build
+      if: ${{ contains( matrix.fflags, 'openmp' ) }}
+      run: |
+        ctest -D ExperimentalTest --schedule-random -j1 --output-on-failure --timeout 100
+        ctest -D ExperimentalSubmit
+
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      if: ${{ !contains( matrix.fflags, 'openmp' ) }}
+      run: |
         ctest -D ExperimentalTest --schedule-random -j2 --output-on-failure --timeout 100
         ctest -D ExperimentalSubmit