Update tests to set matrix first

Author: jtgrasb

.github/workflows/run-tests-reusable.yml

@@ -21,7 +21,6 @@ on:
 
 jobs:
   main:
-    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
@@ -35,6 +34,7 @@ jobs:
           - os: ubuntu-latest
             folder: OWC
           - folder: Paraview_Visualization
+    runs-on: ${{ matrix.os }}
     name: "${{ matrix.folder }} - ${{ matrix.os }} - ${{ matrix.release }}"
     timeout-minutes: 45
     steps: