title: How to test for blank text field when using robotframework-selenium?
body: <p>How can I specify blank/empty value for a text field when using the robotframework-seleniumlibrary with a TSV file? For example, I have the following:</p>
  
  <pre><code>Textfield Value Should Be       identifier=name1       Chris
  Textfield Value Should Be       identifier=name2
  </code></pre>
  
  <p>I want to test that name2 is blank. I have tried leaving it blank (which returns a message about an incorrect number of arguments. I have tried "", which looks for a pair of quotes, and '' which enters a single quote, and selenium seems to look for that</p>