How to use the @ngx-formly/core/testing.createFormlyFieldComponent function in @ngx-formly/core

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [NoopAnimationsModule, FormlyMatRadioModule],
  });
};

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [FormlyRadioModule],
  });
};

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    template: '',
    imports: [
      FormlyModule.forChild({
        validationMessages: [
          { name: 'required', message: (err, field) => `${field.templateOptions.label} is required.` },
          { name: 'maxlength', message: 'Maximum Length Exceeded.' },
        ],
      }),
    ],
  });
};

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [FormlyInputModule],
    declarations: [FormlyWrapperFormFieldAsync],
    config: {
      wrappers: [
        {
          name: 'form-field-async',
          component: FormlyWrapperFormFieldAsync,
        },
      ],
    },
  });
};

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [FormlyRadioModule],
  });
};

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [FormlyBootstrapRadioModule],
  });
};

function renderComponent(field: FormlyFieldConfig) {
  return createFormlyFieldComponent(field, {
    imports: [FormlyInputModule],
  });
}

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [NoopAnimationsModule, FormlySelectModule],
    providers: [
      {
        provide: POPUP_CONTAINER,
        useFactory: () => ({ nativeElement: document.body }),
      },
    ],
  });
};

const renderComponent = (field: FormlyFieldConfig) => {
  return createFormlyFieldComponent(field, {
    imports: [FormlySelectModule],
  });
};