Dep helper (#2151)

* Add dep task to update go dependencies

* Update go dependencies

vendor/github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc/errors_test.go

@@ -1,57 +0,0 @@
-package otgrpc
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-
-	"github.com/opentracing/opentracing-go/mocktracer"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
-)
-
-const (
-	firstCode = codes.OK
-	lastCode  = codes.DataLoss
-)
-
-func TestSpanTags(t *testing.T) {
-	tracer := mocktracer.New()
-	for code := firstCode; code <= lastCode; code++ {
-		// Client error
-		tracer.Reset()
-		span := tracer.StartSpan("test-trace-client")
-		err := status.Error(code, "")
-		SetSpanTags(span, err, true)
-		span.Finish()
-
-		// Assert added tags
-		rawSpan := tracer.FinishedSpans()[0]
-		expectedTags := map[string]interface{}{
-			"response_code":  code,
-			"response_class": ErrorClass(err),
-		}
-		if err != nil {
-			expectedTags["error"] = true
-		}
-		assert.Equal(t, expectedTags, rawSpan.Tags())
-
-		// Server error
-		tracer.Reset()
-		span = tracer.StartSpan("test-trace-server")
-		err = status.Error(code, "")
-		SetSpanTags(span, err, false)
-		span.Finish()
-
-		// Assert added tags
-		rawSpan = tracer.FinishedSpans()[0]
-		expectedTags = map[string]interface{}{
-			"response_code":  code,
-			"response_class": ErrorClass(err),
-		}
-		if err != nil && ErrorClass(err) == ServerError {
-			expectedTags["error"] = true
-		}
-		assert.Equal(t, expectedTags, rawSpan.Tags())
-	}
-}