confirm no braces produces the problem

diegomarquezp · web-flow · commit e94b2594acce · 2025-04-15T13:49:43.000-04:00
diff --git a/.cloudbuild/cloudbuild-test-c.yaml b/.cloudbuild/cloudbuild-test-c.yaml
@@ -15,7 +15,7 @@
 timeout: 7200s # 2 hours
 substitutions:
   _JAVA_SHARED_CONFIG_VERSION: '1.15.3' # {x-version-update:google-cloud-shared-config:current}
-  _COMMIT_HASH_TAG: infrastructure-public-image-${SHORT_SHA}
+  _COMMIT_HASH_TAG: infrastructure-public-image-$SHORT_SHA
 
 steps:
   # GraalVM C build
