ci: split zig test and zig build steps

.github/workflows/zig-test.yml

@@ -30,7 +30,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  zig-test:
+  zig-build:
     name: zig test
 
     # Don't run the CI with draft PR.
@@ -70,12 +70,49 @@ jobs:
       - name: zig build debug
         run: zig build -Dengine=v8
 
-      - name: zig build test
-        run: zig build test -Dengine=v8 -- --json > bench.json
-
       - name: zig build release
         run: zig build -Doptimize=ReleaseSafe -Dengine=v8
 
+  zig-test:
+    name: zig test
+
+    # Don't run the CI with draft PR.
+    if: github.event.pull_request.draft == false
+
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/lightpanda-io/zig-browsercore:0.12.0-dev.1773-8a8fd47d2
+      credentials:
+       username: ${{ github.actor }}
+       password: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GH_CI_PAT }}
+          # fetch submodules recusively, to get jsruntime-lib submodules also.
+          submodules: recursive
+
+      - name: install v8
+        run: |
+          mkdir -p vendor/jsruntime-lib/vendor/v8/${{env.ARCH}}/debug
+          ln -s /usr/local/lib/libc_v8.a vendor/jsruntime-lib/vendor/v8/${{env.ARCH}}/debug/libc_v8.a
+
+          mkdir -p vendor/jsruntime-lib/vendor/v8/${{env.ARCH}}/release
+          ln -s /usr/local/lib/libc_v8.a vendor/jsruntime-lib/vendor/v8/${{env.ARCH}}/release/libc_v8.a
+
+      - name: install deps
+        run: |
+          ln -s /usr/local/lib/libiconv vendor/libiconv
+
+          ln -s /usr/local/lib/netsurf/build vendor/netsurf/build
+          ln -s /usr/local/lib/netsurf/lib vendor/netsurf/lib
+          ln -s /usr/local/lib/netsurf/include vendor/netsurf/include
+
+      - name: zig build test
+        run: zig build test -Dengine=v8 -- --json > bench.json
+
       - name: write commit
         run: |
           echo "${{github.sha}}" > commit.txt