var s3Err APIErrorCode
	// Save credential values.
	signV4Values.Credential, s3Err = parseCredentialHeader(strings.TrimSpace(credElement), region, stype)
	if s3Err != ErrNone {
		return sv, s3Err
	}

	// Save signed headers.
	signV4Values.SignedHeaders, s3Err = parseSignedHeader(authFields[1])
	if s3Err != ErrNone {
		return sv, s3Err
	}

	// Save signature.

	if err := DB.AutoMigrate(&Animal{}); err != nil {
		t.Fatalf("no error should happen when migrate but got %v", err)
	}

	animal := Animal{Name: "Ferdinand"}
	DB.Save(&animal)
	updatedAt1 := animal.UpdatedAt

	DB.Save(&animal).Update("name", "Francis")
	if updatedAt1.Format(time.RFC3339Nano) == animal.UpdatedAt.Format(time.RFC3339Nano) {
		t.Errorf("UpdatedAt should be updated")
	}

	var animals []Animal

func TestSaveWithPrimaryValue(t *testing.T) {
	lang := Language{Code: "save", Name: "save"}
	if result := DB.Save(&lang); result.RowsAffected != 1 {
		t.Errorf("should create language, rows affected: %v", result.RowsAffected)
	}

	var result Language
	DB.First(&result, "code = ?", "save")
	AssertEqual(t, result, lang)

	lang.Name = "save name2"
	if result := DB.Save(&lang); result.RowsAffected != 1 {

	DB.AutoMigrate(&Product{})

	p := Product{Code: "Invalid", Price: 100}
	if DB.Save(&p).Error == nil {
		t.Fatalf("An error from before create callbacks happened when create with invalid value")
	}

	if DB.Where("code = ?", "Invalid").First(&Product{}).Error == nil {
		t.Fatalf("Should not save record that have errors")
	}

	if DB.Save(&Product{Code: "dont_save", Price: 100}).Error == nil {

	}
}

func TestScanToEmbedded(t *testing.T) {
	person1 := Person{Name: "person 1"}
	person2 := Person{Name: "person 2"}
	DB.Save(&person1).Save(&person2)

	address1 := Address{Name: "address 1"}
	address2 := Address{Name: "address 2"}
	DB.Save(&address1).Save(&address2)

	DB.Create(&PersonAddress{PersonID: person1.ID, AddressID: int(address1.ID)})

	tx := DB.Begin()

	user := *GetUser("transaction-save-point", Config{})
	tx.Create(&user)

	if err := tx.First(&User{}, "name = ?", user.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}

	if err := tx.SavePoint("save_point1").Error; err != nil {
		t.Fatalf("Failed to save point, got error %v", err)
	}

	user1 := *GetUser("transaction-save-point-1", Config{})
	tx.Create(&user1)

					continue
				}
				scannerLogOnceIf(ctx, cache.save(ctx, er, dataUsageCacheName), "nsscanner-cache-update")
				updates <- cache.clone()

				lastSave = cache.Info.LastUpdate
			case v, ok := <-bucketResults:
				if !ok {
					// Save final state...
					cache.Info.NextCycle = wantCycle
					cache.Info.LastUpdate = time.Now()
					scannerLogOnceIf(ctx, cache.save(ctx, er, dataUsageCacheName), "nsscanner-channel-closed")

    client = TestClient(mod.app)
    return client


def test_header_param_model(client: TestClient):
    response = client.get(
        "/items/",
        headers=[
            ("save-data", "true"),
            ("if-modified-since", "yesterday"),
            ("traceparent", "123"),
            ("x-tag", "one"),
            ("x-tag", "two"),
        ],
    )
    assert response.status_code == 200

	} else if len(stmt.Schema.PrimaryFields) != 1 {
		t.Errorf("should have only one primary field with embedded struct, but got %v", len(stmt.Schema.PrimaryFields))
	}

	for _, name := range []string{"user_id", "user_name", "user_email"} {
		if !DB.Migrator().HasColumn(&HNPost{}, name) {
			t.Errorf("should has prefixed column %v", name)
		}
	}

	// save embedded struct
	DB.Save(&HNPost{BasePost: BasePost{Title: "news"}})

        MavenProperties props = new MavenProperties();
        props.load(new StringReader(sw.toString()));
        props.save(System.err);
        System.err.println("=====");

        props.put("key2", props.get("key2"));
        props.put("key3", "foo");
        props.save(System.err);
        System.err.println("=====");
    }

    @Test