SQLAlchemy 1.4 will be changing the method by which it
renders an IN expression such that the bound parameters
are not fully rendered until the statement is executed,
rather than when the statement is compiled into its initial
string form [1]. Adjust tests which are asserting the presence
of IN expressions based on the compiled form to allow for an
arbitrary expression within the parenthesis.
[1] https://github.com/sqlalchemy/sqlalchemy/issues/4645
Change-Id: I8640ad0cbd96647ed74678631479190146bd908e
fce052b2af