implemented changes requested by @qvalentin

Author: open-schnick

src/test/resources/SystemHealth.feature

@@ -10,6 +10,7 @@ Scenario: SystemHealth is requested without users in db
   And the user waits for 2 second(s)
   Then response contains key "userCount" and value "0"
   And response contains key "uptimeInSeconds" and value of at least 1
+  And response status code is 200
 
 Scenario: SystemHealth is requested with users in db
   Given user 1234 exists
@@ -18,4 +19,5 @@ Scenario: SystemHealth is requested with users in db
   When the systemHealth endpoint is requested
   Then response contains key "userCount" and value "2"
   And response contains key "uptimeInSeconds" and value of at least 1
+  And response status code is 200