Fix typo

test/create-hydra-client.bash

@@ -13,5 +13,5 @@ SCOPES="openid profile email openappstack_roles"
 
 curl --header "Content-Type: application/json" \
     --request POST \
-    --data "{\"client_id\": \"$KEY\", \"client_name\": \"$KEY\", \"client_secret\": \"$SECRET\", \"redirect_uris\": [\"$REDIRECT_URI\"], \"scope\": \"$SCOPES\", \"grant-types\": \"authorization_code,refresh_token\", \"response_types\": [\"code\"], \"token_endpoint_auth_method\": \"client_secret_post\"}" \
+    --data "{\"client_id\": \"$KEY\", \"client_name\": \"$KEY\", \"client_secret\": \"$SECRET\", \"redirect_uris\": [\"$REDIRECT_URI\"], \"scope\": \"$SCOPES\", \"grant_types\": [\"authorization_code\",\"refresh_token\"], \"response_types\": [\"code\"], \"token_endpoint_auth_method\": \"client_secret_post\"}" \
     http://$HOST/clients