diff --git a/.github/workflows/pipeline.yaml b/.github/workflows/pipeline.yaml
index 2fe9c4b..7d64e51 100644
--- a/.github/workflows/pipeline.yaml
+++ b/.github/workflows/pipeline.yaml
@@ -14,7 +14,7 @@ jobs:
   Publish:
     name: Publish
     needs:
-      - CiBuild # For version variable
+      - CiBuild
       - PipelineTests # Requires passing tests
 
     uses: connorjs/github-workflows/.github/workflows/npm-publish~v1.yaml@main
@@ -30,10 +30,14 @@ jobs:
 
   PipelineTests:
     name: Test (${{ matrix.node }} | ${{ matrix.platform.os }})
+    needs:
+      - CiBuild
+
+    runs-on: ${{ matrix.platform.os }}-latest
     defaults:
       run:
         shell: bash
-    runs-on: ${{ matrix.platform.os }}-latest
+
     strategy:
       matrix:
         node:
@@ -49,17 +53,21 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - uses: actions/download-artifact@v4
+        with:
+          name: ${{ needs.CiBuild.outputs.npmPackFilename }}
+
       - name: Use Node.js ${{ matrix.node }}
         uses: actions/setup-node@v4
         with:
           cache: npm
           node-version: ${{ matrix.node }}
 
-      - name: Install
-        run: npm install
-
-      - name: Build
-        run: npm run build
+      - name: Install css-typed
+        run: |
+          mkdir -p sandbox
+          cd sandbox
+          npm install ../${{ needs.CiBuild.outputs.npmPackFilename }}
 
       - name: "Test 1: default case"
         run: |
@@ -83,7 +91,7 @@ jobs:
       - name: "Test 5: absolute outdir"
         if: success() || failure()
         run: |
-          scripts/test.sh foo "" "-o $GITHUB_WORKSPACE/generated *.css" "" "$GITHUB_WORKSPACE"/generated/
+          scripts/test.sh foo "" "-o $RUNNER_TEMP/generated *.css" "" "$RUNNER_TEMP"/generated/
         # Note: This test uses double quotes, which expands differently.
 
       - name: "Test 6: json file config"
diff --git a/scripts/test.sh b/scripts/test.sh
index 4f2f526..0d21581 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -17,23 +17,28 @@ output=${4:-$1}
 # $5 is the path prefix for output. Defaults to "".
 prefix=${5:-}
 
-# Run from $RUNNER_TEMP for auto-cleanup.
-cp fixtures/${input}.css $RUNNER_TEMP/test.css
-cp fixtures/${output}.d.css.ts $RUNNER_TEMP/expected.d.css.ts
+# `sandbox` is where we installed css-typed.
+# Create fresh tmp directory under it each time (under for npx usage).
+TEST_DIR=sandbox/tmp
+rm -rf $TEST_DIR
+mkdir -p $TEST_DIR
+
+cp fixtures/${input}.css $TEST_DIR/test.css
+cp fixtures/${output}.d.css.ts $TEST_DIR/expected.d.css.ts
 
-rm -rf "${RUNNER_TEMP:?}/.config"
 if [ -f fixtures/config/${config} ]; then
-	mkdir -p $RUNNER_TEMP/.config
-	cp fixtures/config/${config} $RUNNER_TEMP/.config/${config}
+	mkdir -p $TEST_DIR/.config
+	cp fixtures/config/${config} $TEST_DIR/.config/${config}
 fi
 
-pushd $RUNNER_TEMP > /dev/null || exit
+pushd $TEST_DIR > /dev/null || exit
+
+set -x # Print the css-typed command exactly as executed
 
-# `./dist/main.js` is executing local `css-typed` as if installed (same as `bin`).
-# But it is `$GITHUB_WORKSPACE/dist/main.js` b/c we `cd $RUNNER_TEMP`.
-echo "css-typed " "${options[@]}"
 # shellcheck disable=SC2068
-$GITHUB_WORKSPACE/dist/main.js ${options[@]}
+npx css-typed ${options[@]}
+
+{ set +x; } 2>/dev/null # Turn off command printing, and do not print set +X
 
 # Use `diff` to compare the files.
 # Use `-I '//.*'` to ignore the first line (comment) which has generated path and timestamp.