Only trigger container test workflow for changes in container build

Signed-off-by: Marcela Melara <marcela.melara@intel.com>

Author: marcelamelara

.github/workflows/test-buildenv-l1-container.yml

@@ -1,33 +1,34 @@
+# yamllint disable rule:line-length
 name: Test for BuildEnv L1 container build
 
 on:
   push:
     branches:
       - main
+    paths:
+      - 'build-container/**'
 
 permissions:
   id-token: write
   attestations: write
 jobs:
   build:
-    if: "contains(github.event.commits[0].message, '[test]')"
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout
-      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 #v4.1.7
+      - name: Checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - name: Build docker container
+        id: build
+        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
+        with:
+          context: "."
+          file: "build-container/test-buildenv-l1.dockerfile"
+          tags: "test_l1:latest"
 
-    - name: Build docker container
-      id: build
-      uses: actions/docker-build-push@5cd11c3a4ced054e52742c5fd54dca954e0edd85 #v6.7.0
-      with:
-        context: "."
-        file: "build-container/test-buildenv-l1.dockerfile"
-        tag: "test_l1:latest"
-
-    - name: Generate SLSA Provenance
-      id: slsa
-      uses: actions/attest-build-provenance@6149ea5740be74af77f260b9db67e633f6b0a9a1 #v1.4.2
-       with:
-         subject-name: "test_l1"
-         subject-digest: ${{ steps.build.outputs.digest }}
+      - name: Generate SLSA Provenance
+        id: slsa
+        uses: actions/attest-build-provenance@6149ea5740be74af77f260b9db67e633f6b0a9a1 # v1.4.2
+        with:
+          subject-name: "test_l1"
+          subject-digest: ${{ steps.build.outputs.digest }}

build-container/hello.py

@@ -1,7 +1,7 @@
 # This file is used fo testing measurements within containers
 
 def hello():
-    print('Hello, World.')
+    print('Hello, World!!')
 
 if __name__ == '__main__':
     hello()