added javascript section with casperjs requirement

IPython/testing/iptest.py

@@ -45,6 +45,7 b' from nose.plugins import Plugin'
 from nose.util import safe_str
 
 # Our own imports
+from IPython.utils.process import is_cmd_found
 from IPython.utils.importstring import import_item
 from IPython.testing.plugin.ipdoctest import IPythonDoctest
 from IPython.external.decorators import KnownFailure, knownfailureif
@@ -151,6 +152,7 b" have['wx.aui'] = test_for('wx.aui')"
 have['azure'] = test_for('azure')
 have['requests'] = test_for('requests')
 have['sphinx'] = test_for('sphinx')
+have['casperjs'] = is_cmd_found('casperjs')
 
 min_zmq = (2,1,11)
 
@@ -162,7 +164,7 b" have['zmq'] = test_for('zmq.pyzmq_version_info', min_zmq, callback=lambda x: x()"
 
 test_group_names = ['parallel', 'kernel', 'kernel.inprocess', 'config', 'core',
                     'extensions', 'lib', 'terminal', 'testing', 'utils',
-                    'nbformat', 'qt', 'html', 'nbconvert'
+                    'nbformat', 'qt', 'html', 'js', 'nbconvert'
                    ]
 
 class TestSection(object):
@@ -286,6 +288,9 b" if not have['jinja2']:"
 if not have['azure']:
     sec.exclude('services.notebooks.azurenbmanager')
 
+sec = test_sections['js']
+sec.requires('zmq', 'tornado', 'jinja2', 'casperjs')
+
 # config:
 # Config files aren't really importable stand-alone
 test_sections['config'].exclude('profile')