fix(launcher): fix issue where test passes on unexpected failures

lib/launcher.js

@@ -86,17 +86,14 @@ var init = function(configFile, additionalConfig) {
           break;
         case 'testsDone':
           self.reporter.testsDone(m.failedCount);
-          if (typeof testsDoneCallback === 'function') {
-            testsDoneCallback();
-          }
           break;
       }
     });
 
     this.process.on('error', function(err) {
       self.reporter.flush();
       log_('Runner Process(' + self.process.pid + ') Error: ' + err);
-      runnerErrorCount += 1; 
+      runnerErrorCount += 1;
     });
 
     this.process.on('exit', function(code) {
@@ -105,6 +102,10 @@ var init = function(configFile, additionalConfig) {
         log_('Runner Process Exited With Error Code: ' + code);
         runnerErrorCount += 1;
       }
+      self.reporter.exitCode = code;
+      if (typeof testsDoneCallback === 'function') {
+        testsDoneCallback();
+      }
       log_(scheduler.countActiveTasks() + 
         ' instance(s) of WebDriver still running');
     }); 
@@ -195,21 +196,32 @@ var reporter = {
   },
 
   reportSummary: function() {
-    var totalFailures = 0;
+    var specFailures = 0;
+    var processFailures = 0; 
     this.taskReporters_.forEach(function(taskReporter) {
       var capability = taskReporter.task.capability;
       var shortName = (capability.browserName) ? capability.browserName : '';
       shortName += (capability.version) ? capability.version : '';
       shortName += (' #' + taskReporter.task.taskId);
       if (taskReporter.failedCount) {
         log_(shortName + ' failed ' + taskReporter.failedCount + ' test(s)');
-        totalFailures += taskReporter.failedCount;
+        specFailures += taskReporter.failedCount;
+      } else if (taskReporter.exitCode != 0) {
+        log_(shortName + ' failed with exit code: ' + taskReporter.exitCode);
+        processFailures += 1;
       } else {
         log_(shortName + ' passed');
       }
     });
-    if (this.taskReporters_.length > 1 && totalFailures) {
-      log_('overall: ' + totalFailures + ' failure(s)');
+    if (this.taskReporters_.length > 1) {
+      if (specFailures && processFailures) {
+        log_('overall: ' + specFailures + ' failed spec(s) and ' + 
+            processFailures + ' process(es) failed to complete');
+      } else if (specFailures) {
+        log_('overall: ' + specFailures + ' failed spec(s)');
+      } else if (processFailures) {
+        log_('overall: ' + processFailures + ' process(es) failed to complete');
+      }
     }
   }
 };
@@ -226,6 +238,7 @@ var TaskReporter_ = function(task, pid) {
   this.pid = pid;
   this.failedCount = 0;
   this.buffer = '';
+  this.exitCode = -1;
   this.insertTag = true;
 };