fix if integrations

.github/workflows/unit-tests-integrations.yml

@@ -25,6 +25,22 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  get-changed-files:
+    runs-on: ubuntu-latest
+    outputs:
+      changed_files: ${{ steps.get_changes.outputs.changed_files }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+      - name: Get changes
+        id: get_changes
+        run: |
+          echo "changed_files<<EOF" >> $GITHUB_OUTPUT
+          git diff --name-only -r HEAD^1 HEAD | while read line; do printf "%s\n" "$line"; done >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
   unit-tests:
     name: Unit Tests
     strategy:
@@ -39,10 +55,7 @@ jobs:
           # - os: macos-latest
           #   node-version: 20.x
     runs-on: ${{ matrix.os }}
-    if: |
-      github.event_name == 'pull_request' &&
-      (contains(github.event.pull_request.paths, 'langchain-core') ||
-      contains(github.event.pull_request.paths, 'libs/langchain-${{ matrix.package }}'))
+    if: contains(needs.get-changed-files.outputs.changed_files, 'langchain-core/') || contains(needs.get-changed-files.outputs.changed_files, 'libs/langchain-${{ matrix.package }}/')
     env:
       PUPPETEER_SKIP_DOWNLOAD: "true"
       PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: "true"