Bug 1081025 - Fix test failure debug gathering. r=zcampbell

testing/marionette/client/marionette/runner/mixins/reporting.py

@@ -11,6 +11,7 @@ import pkg_resources
 import sys
 import time
 
+from mozlog.structured.structuredlog import get_default_logger
 import mozversion
 from xmlgen import html
 from xmlgen import raw
@@ -247,9 +248,9 @@ class HTMLReportingTestResultMixin(object):
     def gather_debug(self):
         debug = {}
         try:
-            self.marionette.switch_context(self.marionette.CONTEXT_CHROME)
+            self.marionette.set_context(self.marionette.CONTEXT_CHROME)
             debug['screenshot'] = self.marionette.screenshot()
-            self.marionette.switch_context(self.marionette.CONTEXT_CONTENT)
+            self.marionette.set_context(self.marionette.CONTEXT_CONTENT)
             debug['source'] = self.marionette.page_source
             self.marionette.switch_to_frame()
             debug['settings'] = json.dumps(self.marionette.execute_async_script("""
@@ -260,6 +261,7 @@ req.onsuccess = function() {
   marionetteScriptFinished(req.result);
 }""", special_powers=True), sort_keys=True, indent=4, separators=(',', ': '))
         except:
-            pass
+            logger = get_default_logger()
+            logger.warning('Failed to gather test failure debug.', exc_info=True)
         return debug