Changes

<span style="color:DarkRed;font-weight:bold">Step 1</span>

<pre>cd $(OBJDIR)/_tests/testing/mochitest</pre>

<pre>python runtests.py</pre>

</blockquote>

'''<span style="color:DarkRed">B)</span>'''

<blockquote>

<pre>cd $(OBJDIR)</pre>

<pre>make -C $(OBJDIR) mochitest</pre>

</blockquote>

Specific Mochitests can be run by the following:

<blockquote>

<pre>cd $(OBJDIR)/_tests/testing/mochitest</pre>

<pre>python runtests.py --test-path=content/base/test/test_CrossSiteXHR.html</pre>

</blockquote>