[ci skip] minor formatting changes

tests/test_deploy

@@ -5,17 +5,17 @@ SELF=$(which $0); APP="$1"; TARGET="$2"; FORWARDED_PORT="$3"; SHOULD_FAIL="$4"
 REMOTE="dokku@$TARGET"
 REPO="test-$(basename $APP)-$RANDOM"
 
-destroy_app(){
+destroy_app() {
   echo $REPO | ssh $REMOTE apps:destroy $REPO
 }
 
-failed(){
+failed() {
   echo "************ $1 failed ************"
   destroy_app
   exit 1
 }
 
-succeeded(){
+succeeded() {
   echo "************ $1 succeeded but should have failed ************"
   destroy_app
   exit 1