add vendor

vendor/github.com/smartystreets/goconvey/convey/reporting/gotest.go

@@ -0,0 +1,33 @@
+package reporting
+
+type gotestReporter struct{ test T }
+
+func (self *gotestReporter) BeginStory(story *StoryReport) {
+	self.test = story.Test
+}
+
+func (self *gotestReporter) Enter(scope *ScopeReport) {}
+
+func (self *gotestReporter) Report(r *AssertionResult) {
+	if !passed(r) {
+		self.test.Fail()
+	}
+}
+
+func (self *gotestReporter) Exit() {}
+
+func (self *gotestReporter) EndStory() {
+	self.test = nil
+}
+
+func (self *gotestReporter) Write(content []byte) (written int, err error) {
+	return len(content), nil // no-op
+}
+
+func NewGoTestReporter() *gotestReporter {
+	return new(gotestReporter)
+}
+
+func passed(r *AssertionResult) bool {
+	return r.Error == nil && r.Failure == ""
+}