title: django.db.utils.ProgrammingError: column does not exist LINE 1
body: <p>I've created a boolean column in an existing Model and Migrated. I can see the column in the table with default values. but while running ./manage.py test, I'm getting the below errors.</p>
  <pre><code>psycopg2.errors.UndefinedColumn: column xxxx does not exist
  LINE 1:
  
  django.db.utils.ProgrammingError: column xxxx does not exist
  LINE 1:
  </code></pre>