}
                                }
                            },
                        },
                    },
                    "summary": "Create File",
                    "operationId": "create_file_files__post",
                    "requestBody": {
                        "content": {
                            "multipart/form-data": {

    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_emptyMultiset() {
    assertFalse(getMultiset().addAll(getSubjectGenerator().create()));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_nonEmptyList() {
    assertTrue(getMultiset().addAll(asList(e3(), e4(), e3())));

    suite.addTestSuite(SafeTreeSetTest.class);
    suite.addTest(
        NavigableSetTestSuiteBuilder.using(
                new TestStringSetGenerator() {
                  @Override
                  protected Set<String> create(String[] elements) {
                    return new SafeTreeSet<>(asList(elements));
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {

/// info

To use forms, first install <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install python-multipart
```

///

## Import `Form`

                                    }
                                }
                            },
                        },
                    },
                    "summary": "Create Files",
                    "operationId": "create_files_files__post",
                    "requestBody": {
                        "content": {
                            "multipart/form-data": {

    }

    @Override
    protected boolean isUseOneTimeContainer() {
        return true;
    }

    @Override
    public void setUp() throws Exception {
        // create runner instance
        runner = new OpenSearchRunner();
        // create ES nodes
        final String clusterName = UUID.randomUUID().toString();
        runner.onBuild((number, settingsBuilder) -> {
            settingsBuilder.put("http.cors.enabled", true);

    suite.addTest(
        ListTestSuiteBuilder.using(
                new TestStringListGenerator() {

                  @Override
                  protected List<String> create(String[] elements) {
                    return new StandardImplForwardingList<>(Lists.newArrayList(elements));
                  }
                })

                new TestStringMultisetGenerator() {
                  @Override
                  protected Multiset<String> create(String[] elements) {
                    return new StandardImplForwardingSortedMultiset<>(
                        TreeMultiset.create(asList(elements)));
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {

  public void testEquals_containingNullKey() {
    Collection<Entry<K, V>> entries = getSampleEntries(getNumEntries() - 1);
    entries.add(entry(null, v3()));

    resetContainer(getSubjectGenerator().create(entries.toArray()));
    assertTrue(
        "A Map should equal any other Map containing the same entries,"
            + " even if some keys are null.",
        getMap().equals(newHashMap(entries)));
  }

    suite.addTest(
        ListTestSuiteBuilder.using(
                new TestStringListGenerator() {

                  @Override
                  protected List<String> create(String[] elements) {
                    return new StandardImplForwardingList<>(Lists.newArrayList(elements));
                  }
                })