improve e2e test to wait for a 200 response from the backend

test/scripts/run-detox-tests.sh

@@ -7,10 +7,10 @@ nohup ./mvnw &
 # wait for the backend to start
 # see https://github.com/jhipster/generator-jhipster/blob/2a803eca36f21079320c602645e13c177f6c6ea9/test-integration/scripts/24-tests-e2e.sh
 retryCount=1
-maxRetry=10
-httpUrl="http://localhost:8080"
+maxRetry=30
+httpUrl="http://localhost:8080/management/health"
 
-rep=$(curl -v "$httpUrl")
+rep=$(curl -v -f "$httpUrl")
 status=$?
 while [ "$status" -ne 0 ] && [ "$retryCount" -le "$maxRetry" ]; do
     echo "*** [$(date)] Application not reachable yet. Sleep and retry - retryCount =" $retryCount "/" $maxRetry
@@ -25,8 +25,6 @@ if [ "$status" -ne 0 ]; then
     return 1
 fi
 
-sleep 60
-
 cd ../${JHI_IGNITE_APP_NAME}
 
 # if oauth, only run the launch screen since you need to authenticate for entities (todo: mock auth for entities)