Add startup pause

.github/workflows/test-only.yml

@@ -102,6 +102,7 @@ jobs:
           
           echo SIGINT Shutdown request test
           docker run --name sig-test -d test-changedetectionio
+          sleep 3
           docker kill --signal=SIGINT sig-test
           sleep 3
           # invert the check (it should be not 0/not running) 
@@ -116,6 +117,7 @@ jobs:
           
           echo SIGTERM Shutdown request test
           docker run --name sig-test -d test-changedetectionio
+          sleep 3
           docker kill --signal=SIGTERM sig-test
           sleep 3
           # invert the check (it should be not 0/not running)