title: how to check, if the input field contains any value in protractor tests
body: <p>I would like to check if the input field contains any string or not. From the below code snippet, how can I check ? it actually contains <strong>Asset Management</strong>.</p>
  
  <pre><code>&lt;input _ngcontent-c6="" class="col-md-3 mat-input-element mat-form-field-autofill-control ng-pristine ng-valid ng-touched" id="title" matinput="" placeholder="Object Title" type="text" ng-reflect-model="Asset Management" ng-reflect-id="title" ng-reflect-placeholder="Object Title" ng-reflect-type="text" aria-describedby="mat-hint-2" aria-invalid="false"&gt;
  </code></pre>