assertTrue(result.contains("DfsReferralData["));
            assertTrue(result.contains("pathConsumed=20"));
            assertTrue(result.contains("server=server.example.com"));
            assertTrue(result.contains("share=share"));
            assertTrue(result.contains("link=\\\\link\\target"));
            assertTrue(result.contains("path=folder"));
            assertTrue(result.contains("ttl=600"));

    assertThat(graph.edgeValueOrDefault(4, 4, DEFAULT)).isEqualTo("valueD");

    String toString = graph.toString();
    assertThat(toString).contains("valueA");
    assertThat(toString).contains("valueB");
    assertThat(toString).contains("valueC");
    assertThat(toString).contains("valueD");
  }

  @Test
  public void undirectedGraph() {
    graph = ValueGraphBuilder.undirected().allowsSelfLoops(true).build();

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);
            String result = nc.toString();

            // Should contain hex representation of 0-15
            assertTrue(result.contains("0x"));
            assertTrue(result.contains("dc=LARGEDC"));
            // The hex string should be 32 chars long (16 bytes * 2)

    for (ImmutableTable<Character, Integer, String> testInstance : getTestInstances()) {
      assertTrue(testInstance.contains('a', 1));
      assertTrue(testInstance.contains('b', 1));
      assertTrue(testInstance.contains('a', 2));
      assertFalse(testInstance.contains('b', 2));
      assertFalse(testInstance.contains('c', 3));
    }
  }

  public void testContainsColumn() {

        assertThat(set.size(), is(2));
        assertThat(set.contains(ResultPrinter.class.getName()), is(true));
        assertThat(set.contains(TestRunner.class.getName()), is(true));
        assertThat(set.contains("junit.textui.package-info"), is(false));
        assertThat(set.contains(junit.extensions.TestDecorator.class.getName()), is(not(true)));
    }

        if (!pluginArtifact.getGroupId().equals(pluginDescriptor.getGroupId())) {
            errors.add("Plugin's descriptor contains the wrong group ID: " + pluginDescriptor.getGroupId());
        }

        if (!pluginArtifact.getArtifactId().equals(pluginDescriptor.getArtifactId())) {
            errors.add("Plugin's descriptor contains the wrong artifact ID: " + pluginDescriptor.getArtifactId());
        }

    }
    if (mapFeatures.contains(MapFeature.SUPPORTS_REMOVE)) {
      derivedFeatures.add(CollectionFeature.SUPPORTS_REMOVE);
    }
    if (mapFeatures.contains(MapFeature.REJECTS_DUPLICATES_AT_CREATION)) {
      derivedFeatures.add(CollectionFeature.REJECTS_DUPLICATES_AT_CREATION);
    }
    if (mapFeatures.contains(MapFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION)) {

    }

    @Test
    @DisplayName("toString contains key identifiers")
    void testToString() {
        SmbSessionImpl session = newSession();
        String s = session.toString();
        assertTrue(s.contains("targetHost=server.example"));
        assertTrue(s.contains("targetDomain=EXAMPLE"));
    }

    @Test

            if ((typeReference.getSort() == TypeReference.CLASS_TYPE_PARAMETER || typeReference.getSort() == TypeReference.CLASS_TYPE_PARAMETER_BOUND) &&
                NULLABLE_ANNOTATIONS.contains(Type.getType(descriptor).getClassName())) {
                typeParametersNullability.set(typeReference.getTypeParameterIndex(), true)
            }
            return null
        }
    }

          || (node.equals(target) && predecessorsOrEmpty(node).contains(source));
    } else {
      Set<N> adjacent = graph.adjacentNodes(node);
      Object nodeU = endpointPair.nodeU();
      Object nodeV = endpointPair.nodeV();

      return (node.equals(nodeV) && adjacent.contains(nodeU))
          || (node.equals(nodeU) && adjacent.contains(nodeV));
    }
  }

  /**