Disbled console output in tests (#241)

Author: bmingles

.gitignore

@@ -13,6 +13,7 @@ tsconfig.tsbuildinfo
 .tox/
 
 .eslintcache
+.jest-cache
 .stylelintcache
 
 # Ignore the test reports

plugins/ui/src/js/src/DocumentHandler.test.tsx

@@ -55,13 +55,17 @@ beforeEach(() => {
 });
 
 it('should throw an error if no children to render', () => {
+  TestUtils.disableConsoleOutput();
+
   const children = makeDocument();
   expect(() => render(makeDocumentHandler({ children }))).toThrow(
     NoChildrenError
   );
 });
 
 it('should throw an error if the document mixes panel and non-panel elements', () => {
+  TestUtils.disableConsoleOutput();
+
   const children = makeDocument([
     makeElement(PANEL_ELEMENT_NAME),
     makeElement('not panel element'),