Method hasHarness

src/cdk/testing/component-harness.ts:155–155

* Searches for an instance of the component corresponding to the given harness type under the * `HarnessLoader`'s root element, and returns a boolean indicating if any were found. * @param query A query for a harness to create * @return A boolean indicating if an instance was found.

(query: HarnessQuery<T>)

   * @return A boolean indicating if an instance was found.
   */
  hasHarness<T extends ComponentHarness>(query: HarnessQuery<T>): Promise<boolean>;
}

/**