fix(pkg): golang lint

Author: duanhongyi

time/time_test.go

@@ -1,7 +1,6 @@
 package time
 
 import (
-	"fmt"
 	"testing"
 )
 
@@ -19,7 +18,7 @@ func TestUnMarshalText(t *testing.T) {
 			t.Error("expected " + goodTime + " to be marshal-able.")
 		}
 		if dummyTime.Year() != 2006 {
-			t.Error(fmt.Sprintf("expected year to be 2006; got %d.", dummyTime.Year()))
+			t.Errorf("expected year to be 2006; got %d.", dummyTime.Year())
 		}
 	}
 
@@ -34,7 +33,7 @@ func TestUnMarshalText(t *testing.T) {
 			t.Error("expected " + goodTime + " to be marshal-able.")
 		}
 		if dummyTime.Year() != 2007 {
-			t.Error(fmt.Sprintf("expected year to be 2007; got %d.", dummyTime.Year()))
+			t.Errorf("expected year to be 2007; got %d.", dummyTime.Year())
 		}
 	}