*/
    protected abstract void doConnect() throws Exception;

    /* Tear down a connection. If the hard parameter is true, the diconnection
     * procedure should not initiate or wait for any outstanding requests on
     * this transport.
     */

    /**
     * Tears down the connection to the remote endpoint.
     *

    @DisplayName("Should verify response state methods from parent")
    void testResponseStateMethods() throws Exception {
        // Test that response inherits state tracking from ServerMessageBlock2Response

        // Initially not received
        Method isReceivedMethod = ServerMessageBlock2Response.class.getDeclaredMethod("isReceived");
        isReceivedMethod.setAccessible(true);
        assertFalse((boolean) isReceivedMethod.invoke(response));

        assertFalse(cacheEntry.isComplete());

        // Step 3: Verify can cache directory listing
        assertTrue(directoryLeaseManager.canCacheDirectoryListing(directoryPath));

        // Step 4: Initially no cached listing
        assertNull(directoryLeaseManager.getCachedDirectoryListing(directoryPath));

        // Step 5: Simulate directory enumeration and update cache

        }
    }

    @Nested
    @DisplayName("Timeout Tests")
    class TimeoutTests {

        @Test
        @DisplayName("getOverrideTimeout should return null initially")
        void testGetOverrideTimeoutInitial() {
            assertNull(testRequest.getOverrideTimeout());
        }

        @Test
        @DisplayName("setOverrideTimeout should set timeout value")

Observa que no estás pasando el router en sí (`invoices_callback_router`) a `callback=`, sino el atributo `.routes`, como en `invoices_callback_router.routes`.

///

### Revisa la documentación

Ahora puedes iniciar tu aplicación e ir a <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

  // Java 2nd Edition Item 76: Write readObject methods defensively.
  private transient AtomicLongArray longs;

  /**
   * Creates a new {@code AtomicDoubleArray} of the given length, with all elements initially zero.
   *
   * @param length the length of the array
   */
  public AtomicDoubleArray(int length) {
    this.longs = new AtomicLongArray(length);
  }

  /**

                    msg = msg + " query=" + query;
                    throw new IllegalStateException(msg);
                }
                sb.insert(0, CQ_PROPERTY + Srl.initCap(foreignPropertyName) + ".");
            }
            query = query.xgetReferrerQuery();
        }
        return sb.toString();
    }

    @Override

            assertEquals(expectedFlags, message.getFlags(), "Default flags should be set correctly");
            assertNull(message.getChallenge(), "Challenge should initially be null");
            assertNull(message.getTarget(), "Target should initially be null");
            assertNull(message.getTargetInformation(), "Target information should be null when no target is set");
        }

        @Test

{* ../../docs_src/query_params_str_validations/tutorial004.py hl[11] *}

Essa expressão regular específica verifica se o valor recebido no parâmetro:

* `^`: Inicia com os seguintes caracteres, ou seja, não contém caracteres anteriores.
* `fixedquery`: contém o valor exato `fixedquery`.
* `$`: termina aqui, não contém nenhum caractere após `fixedquery`.

    putEdge(1, 2); // Duplicate
    putEdge(4, 5);
  }

  // Element Mutation

  @Test
  public void putEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

    // Adding nodes initially for safety (insulating from possible future
    // modifications to proxy methods)
    addNode(N1);
    addNode(N2);

    assertThat(graphAsMutableGraph.putEdge(N1, N2)).isTrue();
  }

  @Test