added one detail to GardenIntegrationTest, merged main into 59-integration-tests

src/test/java/hdm/mi/growbros/integration/GardenIntegrationTest.java

@@ -111,5 +111,9 @@ public class GardenIntegrationTest {
         mvc.perform(delete(gardenUrl + "/remove/all").headers(authHeader))
                 .andExpect(status().isOk())
                 .andExpect(content().string("2"));
+
+        mvc.perform(get(gardenUrl + "/count").headers(authHeader))
+                .andExpect(status().isOk())
+                .andExpect(content().string("0"));
     }
 }