Add validate wgsl pipleine test

Author: bridgewaterrobbie

.github/workflows/presubmit.yml

@@ -104,3 +104,14 @@ jobs:
         with:
           name: presubmit-renderdiff-result
           path: ./out/renderdiff_tests
+
+  validate-wgsl-pipeline:
+    name: validate-wgsl-pipeline
+    runs-on: macos-14-xlarge
+
+    steps:
+      - uses: actions/[email protected]
+      - name: Run build script
+        run: ./build.sh -W debug test_filamat
+      - name: Run test
+        run: ./out/cmake-debug/libs/filamat/test_filamat --gtest_filter=MaterialCompiler.Wgsl*