added final fileds

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

@@ -43,6 +43,10 @@ class HomeboxIntegrationTest {
             }
                 """;
 
+    private static final String MOCK_URL = "http://localhost:1234";
+    private static final String TEST_USER = "admin";
+    private static final String TEST_PASS = "pw";
+
     /**
      * Returns Token and status code OK when login is successful.
      * 
@@ -113,9 +117,9 @@ class HomeboxIntegrationTest {
     void shouldReturnServiceUnavailableWhenHomeboxUrlIsWrong() {
 
         ConnectionRequest badRequest = new ConnectionRequest(
-                "http://localhost:1234",
+                MOCK_URL,
                 HOMEBOX.getValue(),
-                Map.of("username", "myUser", "password", "myPass"),
+                Map.of("username", TEST_USER, "password", TEST_PASS),
                 false);
 
         ResponseEntity<String> response = restTemplate.postForEntity(LOGIN.getValue(), badRequest, String.class);
@@ -144,9 +148,9 @@ class HomeboxIntegrationTest {
     @Test
     void shouldReturnProviderNotFound() {
         ConnectionRequest wrongServiceTypeReq = new ConnectionRequest(
-                "http://localhost:1234",
+                MOCK_URL,
                 "wrong-service-type",
-                Map.of("username", "myUser", "password", "myPass"),
+                Map.of("username", TEST_USER, "password", TEST_PASS),
                 false);
 
         ResponseEntity<String> response = restTemplate.postForEntity(LOGIN.getValue(), wrongServiceTypeReq,
@@ -198,7 +202,7 @@ class HomeboxIntegrationTest {
      */
     private ConnectionRequest connectionRequest(WireMockRuntimeInfo wm) {
         return new ConnectionRequest(wm.getHttpBaseUrl(), HOMEBOX.getValue(),
-                Map.of("username", "admin", "password", "pw"),
+                Map.of("username", TEST_USER, "password", TEST_PASS),
                 null);
     }
 }