diff --git a/diff/diff_test.go b/diff/diff_test.go
index 27f2910..c6272c1 100644
--- a/diff/diff_test.go
+++ b/diff/diff_test.go
@@ -1,7 +1,6 @@
 package diff_test
 
 import (
-	"fmt"
 	"reflect"
 	"testing"
 
@@ -16,6 +15,7 @@ func TestDiff(t *testing.T) {
 	}
 
 	testCases := []testCase{
+
 		{
 			[]string{},
 			[]string{},
@@ -53,7 +53,7 @@ func TestDiff(t *testing.T) {
 		output := diff.Diff(testCase.o, testCase.n)
 		if !reflect.DeepEqual(output, testCase.expect) {
 			t.Fail()
-			fmt.Printf("==EXPECTED==\n%#v\n==GOT==\n%#v\n", testCase.expect, output)
+			t.Errorf("==EXPECTED==\n%#v\n==GOT==\n%#v\n", testCase.expect, output)
 		}
 	}