diff --git a/.github/workflows/aptos-run-smoke-tests.yml b/.github/workflows/aptos-run-smoke-tests.yml
index 939ba8bc..4ff921f7 100644
--- a/.github/workflows/aptos-run-smoke-tests.yml
+++ b/.github/workflows/aptos-run-smoke-tests.yml
@@ -53,10 +53,15 @@ jobs:
       run: |
         set -e
         df -h
-        docker save chainlink-aptos:latest -o chainlink-aptos.tar
+        # Base image is already in chainlink-aptos layers; drop it before save.
+        docker rmi local_chainlink || true
+        docker builder prune -af || true
+        TAR="${RUNNER_TEMP}/chainlink-aptos.tar"
+        export TMPDIR="${RUNNER_TEMP}"
+        docker save chainlink-aptos:latest -o "${TAR}"
         docker system prune -a -f
-        docker load -i chainlink-aptos.tar
-        rm -vf chainlink-aptos.tar
+        docker load -i "${TAR}"
+        rm -vf "${TAR}"
         df -h
 
     - name: Extract Go version
diff --git a/.github/workflows/go-all.yml b/.github/workflows/go-all.yml
index 9a406c97..a7430ea6 100644
--- a/.github/workflows/go-all.yml
+++ b/.github/workflows/go-all.yml
@@ -29,3 +29,24 @@ jobs:
         uses: smartcontractkit/.github/actions/ci-test-go@ci-test-go/v1
         with:
           use-go-cache: true
+  on-chain-data-test:
+    name: On-chain Data Tests
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v6
+
+      - name: Extract Go version
+        uses: ./.github/actions/check-go-version
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version: ${{ env.go_version }}
+          cache-dependency-path: scripts/on-chain-data/go.sum
+
+      - name: Run on-chain-data tests
+        working-directory: scripts/on-chain-data
+        run: go test -count=1 ./...