if !expect.Equal(result) {
		// expected fields missing from result
		missing := expect.Difference(result)

		// unexpected fields in result but not specified in expect
		unexpected := result.Difference(expect)

		if len(missing) > 0 {
			t.Errorf("the following fields were expected, but missing from the result:\n%s", strings.Join(sets.List(missing), "\n"))
		}
		if len(unexpected) > 0 {

                    "type": "value_error.missing",
                }
            ]
        }
    )


def test_post_body_json():
    response = client.post("/files/", json={"file": "Foo"})
    assert response.status_code == 422, response.text
    assert response.json() == IsDict(
        {
            "detail": [
                {
                    "type": "missing",
                    "loc": ["body", "files"],

        {
            "detail": [
                {
                    "type": "missing",
                    "loc": ["header", "x-token"],
                    "msg": "Field required",
                    "input": None,
                },
                {
                    "type": "missing",
                    "loc": ["header", "x-key"],
                    "msg": "Field required",

			},
			valid: true,
		},
		{
			name: "lightstep service with missing port",
			config: &meshconfig.MeshConfig_ExtensionProvider_LightstepTracingProvider{
				Service:     "10.0.0.100",
				AccessToken: "abcdefg1234567",
			},
			valid: false,
		},
		{
			name: "lightstep service with missing accesstoken",
			config: &meshconfig.MeshConfig_ExtensionProvider_LightstepTracingProvider{

        ["1"]       | notDefined()  | _             | "append to missing"                               | { it.append("1") }
        null        | notDefined()  | ["0"]         | "add to missing w/ non-empty convention"          | { it.add("1") }

- artifact metadata missing
- extension metadata missing
- extension artifact missing
- artifact metadata retrieval problem
- version range violation
- circular dependency
- artifact missing
- artifact retrieval exception
- md5 checksum doesn't match for local artifact, need to redownload this
- POM doesn't exist for a goal that requires one
- parent POM missing (in both the repository + relative path)

            case Directory:
                return DefaultFileMetadata.directory(accessType);
            case Missing:
                return DefaultFileMetadata.missing(accessType);
            case Other:
                throw new UncheckedIOException("Unsupported file type for " + f.getAbsolutePath());
            default:

	m.workerLock.RLock()
	defer m.workerLock.RUnlock()

	var unexpected []probeKey
	missing := make([]probeKey, len(expectedProbes))
	copy(missing, expectedProbes)

outer:
	for probePath := range m.workers {
		for i, expectedPath := range missing {
			if probePath == expectedPath {
				missing = append(missing[:i], missing[i+1:]...)
				continue outer
			}
		}
		unexpected = append(unexpected, probePath)
	}

    response = client.post("/files/")
    assert response.status_code == 422, response.text
    assert response.json() == IsDict(
        {
            "detail": [
                {
                    "type": "missing",
                    "loc": ["body", "files"],
                    "msg": "Field required",
                    "input": None,
                }
            ]
        }
    ) | IsDict(

            .orElseThrow(() -> new AnnotationReadFailure(String.format("Missing 'deprecation' attribute in @%s", ReplacesEagerProperty.class.getSimpleName())));
        boolean enabled = AnnotationUtils.findAnnotationValueWithDefaults(elements, deprecation, "enabled")
            .map(annotationValue -> (Boolean) annotationValue.getValue())
            .orElseThrow(() -> new AnnotationReadFailure("Missing 'enabled' attribute in @ReplacedDeprecation"));