style(aio): fix docs linting issues (#19702)

These issues appeared after upgrade of eslint jasmine plugin

PR Close #19702

aio/tools/transforms/post-process-package/processors/post-process-html.spec.js

@@ -68,7 +68,7 @@ describe('postProcessHtml', function() {
     };
     processor.plugins = [() => addWarning];
     processor.$process([{ docType: 'a', renderedContent: '' }]);
-    expect(log.warn).toHaveBeenCalled();
+    expect(log.warn).toHaveBeenCalledWith('There was a problem - doc (a) ');
   });
 
   it('should throw on fatal errors', () => {