diff --git a/.github/resources/unittests/application_default_credentials.json b/.github/resources/unittests/application_default_credentials.json
new file mode 100644
index 00000000000..9dd9c45b31d
--- /dev/null
+++ b/.github/resources/unittests/application_default_credentials.json
@@ -0,0 +1,12 @@
+{
+  "type": "service_account",
+  "project_id": "your-project-id",
+  "private_key_id": "your-private-key-id",
+  "private_key": "-----BEGIN PRIVATE KEY-----\nYour private key content\n-----END PRIVATE KEY-----\n",
+  "client_email": "your-client-email@your-project.iam.gserviceaccount.com",
+  "client_id": "your-client-id",
+  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+  "token_uri": "https://accounts.google.com/o/oauth2/token",
+  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/your-client-email@your-project.iam.gserviceaccount.com"
+}
diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
new file mode 100644
index 00000000000..fff33c3c323
--- /dev/null
+++ b/.github/workflows/unit-tests.yaml
@@ -0,0 +1,29 @@
+name: Unit Tests
+on:
+  pull_request:
+    paths:
+      - go.mod
+      - go.sum
+      - backend/**
+    types:
+      - opened
+      - reopened
+      - closed
+      - synchronize
+  workflow_dispatch:
+env:
+  RESOURCES_DIR: ${{ github.workspace }}/.github/resources
+jobs:
+  functest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.20.x'
+      - name: Run Unit Test
+        working-directory: ${{ github.workspace }}/backend/src
+        env:
+          GOOGLE_APPLICATION_CREDENTIALS: ${{ env.RESOURCES_DIR }}/unittests/application_default_credentials.json
+        run: go test ./...
diff --git a/backend/src/v2/compiler/argocompiler/testdata/create_mount_delete_dynamic_pvc.yaml b/backend/src/v2/compiler/argocompiler/testdata/create_mount_delete_dynamic_pvc.yaml
index 7402e9e16d8..dad0b7dd1ac 100644
--- a/backend/src/v2/compiler/argocompiler/testdata/create_mount_delete_dynamic_pvc.yaml
+++ b/backend/src/v2/compiler/argocompiler/testdata/create_mount_delete_dynamic_pvc.yaml
@@ -142,6 +142,16 @@ spec:
       volumeMounts:
       - mountPath: /kfp-launcher
         name: kfp-launcher
+      - mountPath: /gcs
+        name: gcs-scratch
+      - mountPath: /s3
+        name: s3-scratch
+      - mountPath: /minio
+        name: minio-scratch
+      - mountPath: /.local
+        name: dot-local-scratch
+      - mountPath: /.cache
+        name: dot-cache-scratch
     initContainers:
     - command:
       - launcher-v2
@@ -168,6 +178,16 @@ spec:
     volumes:
     - emptyDir: {}
       name: kfp-launcher
+    - emptyDir: { }
+      name: gcs-scratch
+    - emptyDir: { }
+      name: s3-scratch
+    - emptyDir: { }
+      name: minio-scratch
+    - emptyDir: { }
+      name: dot-local-scratch
+    - emptyDir: { }
+      name: dot-cache-scratch
   - dag:
       tasks:
       - arguments:
diff --git a/backend/src/v2/compiler/argocompiler/testdata/hello_world.yaml b/backend/src/v2/compiler/argocompiler/testdata/hello_world.yaml
index 7d44562a534..ff77e358897 100644
--- a/backend/src/v2/compiler/argocompiler/testdata/hello_world.yaml
+++ b/backend/src/v2/compiler/argocompiler/testdata/hello_world.yaml
@@ -125,6 +125,16 @@ spec:
       volumeMounts:
       - mountPath: /kfp-launcher
         name: kfp-launcher
+      - mountPath: /gcs
+        name: gcs-scratch
+      - mountPath: /s3
+        name: s3-scratch
+      - mountPath: /minio
+        name: minio-scratch
+      - mountPath: /.local
+        name: dot-local-scratch
+      - mountPath: /.cache
+        name: dot-cache-scratch
     initContainers:
     - command:
       - launcher-v2
@@ -151,6 +161,16 @@ spec:
     volumes:
     - emptyDir: {}
       name: kfp-launcher
+    - emptyDir: {}
+      name: gcs-scratch
+    - emptyDir: {}
+      name: s3-scratch
+    - emptyDir: {}
+      name: minio-scratch
+    - emptyDir: {}
+      name: dot-local-scratch
+    - emptyDir: {}
+      name: dot-cache-scratch
   - dag:
       tasks:
       - arguments: