html: add warn in success rate

Count WARN in to calculate the success rate in the HTML report.
Signed-off-by: NAmador Pahim <apahim@redhat.com>

optional_plugins/html/avocado_result_html/__init__.py

@@ -78,11 +78,14 @@ class ReportModel(object):
     def passed(self):
         return self.result.passed
 
-    def pass_rate(self):
+    def warned(self):
+        return self.result.warned
+
+    def rate(self):
         total = float(self.result.tests_total)
-        passed = float(self.result.passed)
+        succeeded = float(self.result.passed + self.result.warned)
         if total > 0:
-            pr = 100 * (passed / total)
+            pr = 100 * (succeeded / total)
         else:
             pr = 0
         return "%.2f" % pr

optional_plugins/html/avocado_result_html/resources/templates/report.mustache

@@ -736,7 +736,7 @@
                             <td>Cumulative test time</td><td>{{tests_total_time}} s</td>
                         </tr>
                         <tr>
-                            <td>Stats</td><td>From {{tests_total}} tests executed, {{passed}} passed (pass rate of {{pass_rate}}%)</td>
+                            <td>Stats</td><td>From {{tests_total}} tests executed, {{passed}} passed and {{warned}} warned (success rate of {{rate}}%)</td>
                         </tr>
                     </table>
                 </div>