code: public void stopFixture(final String uuid) {
          final Optional<FixtureResult> found = storage.getFixture(uuid);
          if (!found.isPresent()) {
              LOGGER.error("Could not stop test fixture: test fixture with uuid {} not found", uuid);
              return;
          }
          final FixtureResult fixture = found.get();
  
          notifier.beforeFixtureStop(fixture);
          fixture.setStage(Stage.FINISHED);
          fixture.setStop(System.currentTimeMillis());
  
          storage.remove(uuid);
          threadContext.clear();
  
          notifier.afterFixtureStop(fixture);
      }
docs: Stops fixture by given uuid.
  
  @param uuid the uuid of fixture.