}

  /**
   * Verifies that the {@code Set} returned by {@code nodes} has the expected mutability property
   * (see the {@code Graph} documentation for more information).
   */
  @Test
  public abstract void nodes_checkReturnedSetMutability();

  /**
   * Verifies that the {@code Set} returned by {@code adjacentNodes} has the expected mutability
   * property (see the {@code Graph} documentation for more information).
   */

        def result = runner.buildAndFail()
        println "result.getClass() = ${result.getClass()}"
        then:
        result.task(":darwin-tar:checkLicense").outcome == TaskOutcome.FAILED
        result.output.contains("> expected line [2] in " +
                "[./darwin-tar/build/tar-extracted/elasticsearch-${VersionProperties.getElasticsearch()}/LICENSE.txt] " +

    }

    /** Awaits the latch and asserts that operation completed in the expected timeframe. */
    final void awaitSuccessfully() {
      awaitLatchUninterruptibly();
      completed.assertCompletionExpected();
      assertEquals(0, getCount());
    }

    /**
     * Awaits the latch with a timeout and asserts that operation completed in the expected
     * timeframe.
     */

  public void testNoReentrantEvents() {
    ReentrantEventsHater hater = new ReentrantEventsHater();
    bus.register(hater);

    bus.post(FIRST);

    assertEquals(
        "ReentrantEventHater expected 2 events",
        Lists.<Object>newArrayList(FIRST, SECOND),
        hater.eventsReceived);
  }

  public final class ReentrantEventsHater {
    boolean ready = true;

            pb.redirectErrorStream(true);
        };

        try {
            processHelper.startProcess(sessionId, cmdList, pbCall);
            fail("Expected exception for empty command list");
        } catch (Exception e) {
            // Expected - empty command list should cause exception
            assertTrue(e instanceof JobProcessingException || e instanceof IndexOutOfBoundsException);
        }
    }

        else -> testData.base!!.toHttpUrl().resolve(testData.input!!)
      }

    if (testData.expectParseFailure()) {
      assertThat(url, "Expected URL to fail parsing").isNull()
      return
    }

    assertThat(url, "Expected URL to parse successfully, but was null")
      .isNotNull()
    val effectivePort =
      when {
        url!!.port != defaultPort(url.scheme) -> Integer.toString(url.port)

    try {
      visitor.visit(type);
      fail("Type not visited");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      visitor.visit(new Type[] {type});
      fail("Type not visited");
    } catch (UnsupportedOperationException expected) {
    }
  }

  private static class BaseTypeVisitor extends TypeVisitor {
    @Override

  }

  public void testFailed() {
    Exception failureCause = new Exception();
    ExecutionException expected =
        assertThrows(ExecutionException.class, () -> getDone(immediateFailedFuture(failureCause)));
    assertThat(expected).hasCauseThat().isEqualTo(failureCause);
  }

  public void testCancelled() throws ExecutionException {

      throw new AssertionError(
          "expected to throw " + expectedThrowable.getSimpleName() + " but threw " + t, t);
    }
    if (userPassedSupplier) {
      throw new AssertionError(
          "expected to throw "
              + expectedThrowable.getSimpleName()
              + " but returned result: "
              + result);
    } else {
      throw new AssertionError("expected to throw " + expectedThrowable.getSimpleName());

      throw new AssertionError(
          "expected to throw " + expectedThrowable.getSimpleName() + " but threw " + t, t);
    }
    if (userPassedSupplier) {
      throw new AssertionError(
          "expected to throw "
              + expectedThrowable.getSimpleName()
              + " but returned result: "
              + result);
    } else {
      throw new AssertionError("expected to throw " + expectedThrowable.getSimpleName());