ci : remove vulkan SDK dep from webgpu job (#23718)

* ci : remove vulkan dep from webgpu build

* cont : add ccache to `ubuntu-24-webgpu-wasm`

* ci : fix name + add wasm test

.github/workflows/build-webgpu.yml

@@ -35,8 +35,7 @@ env:
   LLAMA_LOG_TIMESTAMPS: 1
 
 jobs:
-
+  macos-latest-webgpu:
-  macOS-latest-arm64-webgpu:
     runs-on: macos-latest
 
     steps:
@@ -47,7 +46,7 @@ jobs:
       - name: ccache
         uses: ggml-org/ccache-action@v1.2.21
         with:
-          key: macOS-latest-arm64-webgpu
+          key: macos-latest-webgpu
           evict-old-files: 1d
           save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
 
@@ -100,25 +99,6 @@ jobs:
           sudo apt-get install -y build-essential mesa-vulkan-drivers \
             libxcb-xinput0 libxcb-xinerama0 libxcb-cursor-dev libssl-dev
 
-      - name: Get latest Vulkan SDK version
-        id: vulkan_sdk_version
-        run: |
-          echo "VULKAN_SDK_VERSION=$(curl https://vulkan.lunarg.com/sdk/latest/linux.txt)" >> "$GITHUB_ENV"
-
-      - name: Use Vulkan SDK Cache
-        uses: actions/cache@v5
-        id: cache-sdk
-        with:
-          path: ./vulkan_sdk
-          key: cache-gha-vulkan-sdk-${{ env.VULKAN_SDK_VERSION }}-${{ runner.os }}
-
-      - name: Setup Vulkan SDK
-        if: steps.cache-sdk.outputs.cache-hit != 'true'
-        uses: ./.github/actions/linux-setup-vulkan
-        with:
-          path: ./vulkan_sdk
-          version: ${{ env.VULKAN_SDK_VERSION }}
-
       - name: Dawn Dependency
         id: dawn-depends
         run: |
@@ -157,6 +137,13 @@ jobs:
         id: checkout
         uses: actions/checkout@v6
 
+      - name: ccache
+        uses: ggml-org/ccache-action@v1.2.21
+        with:
+          key: ubuntu-24-webgpu-wasm
+          evict-old-files: 1d
+          save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
+
       - name: Install Emscripten
         run: |
           git clone https://github.com/emscripten-core/emsdk.git
@@ -184,3 +171,9 @@ jobs:
             -DEMDAWNWEBGPU_DIR=emdawnwebgpu_pkg
 
           time cmake --build build-wasm --config Release --target test-backend-ops -j $(nproc)
+
+      - name: Test
+        id: cmake_test
+        run: |
+          cd build
+          ctest -L main --verbose --timeout 900