txtest

func AssertBeginError(
	t *testing.T,
	ctx context.Context,
	beginner tx.Beginner,
	txOpts *sql.TxOptions,
	expectedBeginError error,
)

func AssertSQLTransactionLevel(t *testing.T, exec Executor, expectedIsolationLevel string, readOnly bool)

func AssertTxCommit(
	t *testing.T,
	beginner tx.Beginner,
	exec Executor,
	tx tx.Tx,
	nonTxExec Executor,
	opts ...Option,
)

func AssertTxRollback(
	t *testing.T,
	beginner tx.Beginner,
	exec Executor,
	tx tx.Tx,
	nonTxExec Executor,
	opts ...Option,
)

func AssertUserExists(
	t *testing.T,
	exec Executor,
	userID uuid.UUID,
	userAge int,
	opts ...Option,
)

func AssertUserNotFound(
	t *testing.T,
	exec Executor,
	userID uuid.UUID,
	opts ...Option,
)

func WithQuestionMarkPlaceholder(opts *txTestOptions)