new ElevateWord("a", 1.0f, Collections.singletonList("a"), Collections.singletonList("content"), null, null);
        ElevateWord elevateWord2 =
                new ElevateWord("b", 0.0f, Collections.singletonList("b"), Collections.singletonList("content"), null, null);
        ElevateWord elevateWord3 = new ElevateWord("c", 100.0f, Collections.singletonList("c"), Collections.singletonList("content"),

                .thenReturn(Collections.singletonList(mockAuthData1));
        mockedStaticAuthData.when(() -> KerberosAuthData.parse(eq(2), eq(new byte[] { 0x02 }), any(Map.class)))
                .thenReturn(Collections.singletonList(mockAuthData2));

        // Construct a token with two authorization entries

            generator.setCommandList(Collections.singletonList("invalid_command_for_test"));
            assertTrue(generator.generate("test_id", outputFile));
        } finally {
            outputFile.delete();
        }
    }

    public void test_generate_outputFile_null() throws Exception {
        generator.setCommandList(Collections.singletonList("echo test"));
        try {

        when(mockConnection.getInstanceFollowRedirects()).thenReturn(true);

        Map<String, List<String>> properties = new HashMap<>();
        properties.put("Accept", Collections.singletonList("application/json"));
        when(mockConnection.getRequestProperties()).thenReturn(properties);
        // Need to mock getRequestProperty as well since it delegates to wrapped connection

        Problem problem = new DefaultProblem("MESSAGE1", null, null, -1, -1, null);
        ProblemCollector collector2 = ProblemCollectorFactory.newInstance(Collections.singletonList(problem));

        assertNotSame(collector1, collector2);
        assertEquals(0, collector1.getProblems().size());
        assertEquals(1, collector2.getProblems().size());
    }

    @Test

  private List<Entry<K, V>> containsNullKey;
  private List<Entry<K, V>> containsNullValue;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    containsNullKey = singletonList(entry(null, v3()));
    containsNullValue = singletonList(entry(k3(), null));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAll_supportedNothing() {
    getMap().putAll(emptyMap());
    expectUnchanged();
  }

  private List<Entry<K, V>> containsNullKey;
  private List<Entry<K, V>> containsNullValue;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    containsNullKey = singletonList(entry(null, v3()));
    containsNullValue = singletonList(entry(k3(), null));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAll_supportedNothing() {
    getMap().putAll(emptyMap());
    expectUnchanged();
  }

  }

  public void testPartition_1_1() {
    List<Integer> source = singletonList(1);
    List<List<Integer>> partitions = partition(source, 1);
    assertEquals(1, partitions.size());
    assertEquals(singletonList(1), partitions.get(0));
  }

  public void testPartition_1_2() {
    List<Integer> source = singletonList(1);
    List<List<Integer>> partitions = partition(source, 2);

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows;
import static java.util.Collections.singletonList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

            new TestStringListGenerator() {
              @Override
              public List<String> create(String[] elements) {
                return singletonList(elements[0]);
              }
            })
        .named("singletonList")
        .withFeatures(
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.ALLOWS_NULL_VALUES,
            CollectionSize.ONE)