title: ERROR: Class 'DOMDocument' not found
body: <p><br>
  <strong>I am using Centos 7, PHP7.0.14</strong><br><br>
  I ran <b>codeception for the very first time then I got an error message saying</b> </p>
  
  <p><strong>Test  tests/acceptance/WelcomeCept.php
  <br>[Error] Class 'DOMDocument' not found</strong></p>
  
  <p>Saw many posts recommending  <b>php-xml</b>, which sadly didn't quite worked for me. <br></p>
  
  <p><strong>Below is the Error I get!</strong><br> 
  Error: Package: php-xml-5.4.16-42.el7.x86_64 (base)<br> 
  &nbsp;&nbsp;Requires: php-common(x86-64) = 5.4.16-42.el7<br> 
  &nbsp;&nbsp;Installed: php-common-7.0.14-1.el7.remi.x86_64 (@remi-php70)<br> 
  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;php-common(x86-64) = 7.0.14-1.el7.remi<br> 
  &nbsp;&nbsp;Available: php-common-5.4.16-42.el7.x86_64 (base)<br> 
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;php-common(x86-64) = 5.4.16-42.el7<br> </p>
  
  <p>Can someone please help out on this?<br>
  <b>It will be great if it includes the reason with the solution!</b> <br>
  Thank you! :)</p>