make fmt fix (#1246)

These just snuck through, possibly we have a gap in our CI.

Author: Groxx

test/replaytests/exclusive_choice_workflow.go

@@ -24,8 +24,9 @@ import (
 	"fmt"
 	"time"
 
-	"go.uber.org/cadence/workflow"
 	"go.uber.org/zap"
+
+	"go.uber.org/cadence/workflow"
 )
 
 /**

test/replaytests/replay_test.go

@@ -21,10 +21,11 @@
 package replaytests
 
 import (
-	"go.uber.org/cadence/activity"
 	"strings"
 	"testing"
 
+	"go.uber.org/cadence/activity"
+
 	"github.com/stretchr/testify/assert"
 
 	"github.com/stretchr/testify/require"