Make GHA test builds regen common code

Author: solidpixel

.github/workflows/build_test.yaml

@@ -82,6 +82,10 @@ jobs:
       - name: Generate layer_test
         run: |
           python3 ./generator/generate_vulkan_common.py
+          mkdir layer_example/build_rel
+          cd layer_example/build_rel
+          cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release ..
+          make -j4
 
   build-ubuntu-x64-clang-new-project:
     name: Ubuntu x64 generate new layer
@@ -94,6 +98,7 @@ jobs:
 
       - name: Generate layer_test
         run: |
+          python3 ./generator/generate_vulkan_common.py
           python3 ./generator/generate_vulkan_layer.py --project-name Test --layer-name VkLayerTest --output layer_test
           mkdir layer_test/build_rel
           cd layer_test/build_rel