message: Fix test for empty event title
diff: @@ -327,7 +327,7 @@ describe('schema/validation', function() {
  title: " "
  }
  }));
  - expect(errors).includes.something.with.property('detail', 'published-date must not be empty');
  + expect(errors).includes.something.with.property('detail', 'title must not be empty');
  });
  it("applies constraints to mutually exclusive fields", async function() {
  