From 135aa78c6f95b4a199daf2f0470d231136cbbd0c Mon Sep 17 00:00:00 2001
From: Milad Irannejad <moorara@users.noreply.github.com>
Date: Thu, 4 Jul 2019 13:58:13 -0400
Subject: [PATCH] [mock] Return ErrInvalidSpanContext if span context is not
 MockSpanContext (#216)

---
 mocktracer/mocktracer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mocktracer/mocktracer.go b/mocktracer/mocktracer.go
index a74c145..4533da7 100644
--- a/mocktracer/mocktracer.go
+++ b/mocktracer/mocktracer.go
@@ -80,7 +80,7 @@ func (t *MockTracer) RegisterExtractor(format interface{}, extractor Extractor)
 func (t *MockTracer) Inject(sm opentracing.SpanContext, format interface{}, carrier interface{}) error {
 	spanContext, ok := sm.(MockSpanContext)
 	if !ok {
-		return opentracing.ErrInvalidCarrier
+		return opentracing.ErrInvalidSpanContext
 	}
 	injector, ok := t.injectors[format]
 	if !ok {