oeqa/core/context: Omit docstring output on XMLResult

By default, the xml runner class prints out the docstring for every
unit test but it order to keep the same format as the standard
runner, avoid docstring output setting descriptions to False.

(From OE-Core rev: 05b16219698fbd30ec76697e1b3be6d31e8f8878)

Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/core/context.py

@@ -51,7 +51,7 @@ class OETestContext(object):
         self.suites = self.loader.discover()
 
     def runTests(self):
-        self.runner = self.runnerClass(self, verbosity=2)
+        self.runner = self.runnerClass(self, descriptions=False, verbosity=2)
 
         self._run_start_time = time.time()
         result = self.runner.run(self.suites)