Only trigger container test workflow for changes in container build

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

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

@@ -4,13 +4,14 @@ 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:

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()