From 5e5055e9629c5d1fcb0bee5e1077c6b10d5a3d6e Mon Sep 17 00:00:00 2001
From: Milad Irannejad <moorara@users.noreply.github.com>
Date: Tue, 25 Jun 2019 02:03:18 -0400
Subject: [PATCH] Fix returned error for Inject

---
 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 {