assertThat(e.getConflicts()).containsExactly(FOO);
    assertThat(e.getSource()).isEqualTo(method);
  }

  public void testBuildDeclaredTesterRequirements() throws Exception {
    @Require(IMPLIES_FOO)
    abstract class BaseTester {}
    @Require(IMPLIES_BAR)
    class Tester extends BaseTester {}