package hellogomod import "testing" func TestSayHi(t *testing.T) { s := SayHi("yuki") want := "Hi, yuki!" if s != want { t.Errorf("return %s, want %s", s, want) } } func TestSayHello(t *testing.T) { s := SayHello("yuki") want := "Hello, yuki!" if s != want { t.Errorf("return %s, want %s", s, want) } }