code: package io.paradoxical.cassieq.unittests.modules;
  
  import com.google.inject.Module;
  import io.paradoxical.cassieq.clustering.election.LeadershipProvider;
  import io.paradoxical.cassieq.model.LeadershipRole;
  import io.paradoxical.cassieq.modules.LeadershipModule;
  import io.paradoxical.common.test.guice.OverridableModule;
  
  public class MockLeadershipProviderModule extends OverridableModule {
      @Override
      public Class<? extends Module> getOverridesModule() {
          return LeadershipModule.class;
      }
  
      /**
       * Configures a {@link Binder} via the exposed methods.
       */
      @Override
      protected void configure() {
          bind(LeadershipProvider.class).toInstance(new LeadershipProvider() {
              @Override
              public boolean tryAcquireLeader(final LeadershipRole key) {
                  return true;
              }
  
              @Override
              public boolean tryRelinquishLeadership(final LeadershipRole key) {
                  return true;
              }
          });
      }
  }
  