code: public void updateFixture(final String uuid, final Consumer<FixtureResult> update) {
          final Optional<FixtureResult> found = storage.getFixture(uuid);
          if (!found.isPresent()) {
              LOGGER.error("Could not update test fixture: test fixture with uuid {} not found", uuid);
              return;
          }
          final FixtureResult fixture = found.get();
  
          notifier.beforeFixtureUpdate(fixture);
          update.accept(fixture);
          notifier.afterFixtureUpdate(fixture);
      }
docs: Updates fixture by given uuid.
  
  @param uuid   the uuid of fixture.
  @param update the update function.