testCases := []struct {
		version    string
		isOfficial bool
	}{
		{"2017-09-29T19:16:56Z", true},
		{"RELEASE.2017-09-29T19-16-56Z", false},
		{"DEVELOPMENT.GOGET", false},
	}
	for i, testCase := range testCases {
		_, err := minioVersionToReleaseTime(testCase.version)
		if (err == nil) != testCase.isOfficial {
			t.Errorf("Test %d: Expected %v but got %v",
				i+1, testCase.isOfficial, err == nil)
		}
	}
}

	var results []User
	if err := DB.Preload("Account").Find(&results, []uint{users[0].ID, users[1].ID}).Error; err != nil {
		t.Errorf("Not error should happen when finding users, but got %v", err)
	}

	for _, user := range results {
		if user.Name != user.Account.Number {
			t.Errorf("user's name should be equal to the account's number %v, but got %v", user.Account.Number, user.Name)
		}
	}