title: Executing all test cases of webapplication
body: <p>Ok, so here are my two question related to gmail web application.
  So, for example these are test classes, which have got all the test cases related to the functionality:</p>
  
  <p>1) Login</p>
  
  <p>2) Check Inbox</p>
  
  <p>3) Check chat functionality</p>
  
  <p>4) Check Compose mail functionality</p>
  
  <p>5) ....</p>
  
  <p>6) ....
  ..</p>
  
  <p>..</p>
  
  <p>10) Logout</p>
  
  <p>My first question is :
  1) Can i run all the test classes of whole gmail application in one instance ? If its possible then do let me know what framework to be used ? Currently i am using junit4 framework, is it possible by it ?</p>
  
  <p>Second question :
  2) Now, here in same gmail application, if i need to run single test class say "Check chat functionality". How to do this ?</p>