changes test name added comment

backend/src/test/java/com/vaessl/app/connection/ConnectionIntegrationTest.java

@@ -103,8 +103,11 @@ public class ConnectionIntegrationTest {
         assertThat(response.getBody()).contains("The target URL is unreachable.");
     }
 
+    /**
+     * Checks if any login fields are empty since all of them are mandatory.
+     */
     @Test
-    void shouldReturnBadRequestWhenUrlIsMissing() {
+    void shouldReturnBadRequestWhenFieldsAreEmpty() {
 
         ConnectionRequest emtpyRequest = new ConnectionRequest("", "", "");