change_test.go in trackler-2.0.8.42

- old
+ new

@@ -17,10 +17,10 @@
 	for _, tc := range testCases {
 		actual, err := Change(tc.coins, tc.target)
 		if tc.valid {
 			if err != nil {
 				t.Fatalf("%s : Change(%v, %d): expected %v, got error %s",
-					tc.description, tc.coins, tc.target, tc.expectedChange, err)
+					tc.description, tc.coins, tc.target, tc.expectedChange, err.Error())
 			} else {
 				if !reflect.DeepEqual(actual, tc.expectedChange) {
 					t.Fatalf("%s : Change(%v, %d): expected %v, actual %v",
 						tc.description, tc.coins, tc.target, tc.expectedChange, actual)
 				} else {