Re: Strange assertion in procarray.c

Hello, Heikki, Nathan and Michael!

Oh, please excuse my impudence in bringing you all here, but I finally
found what almost the same issue was fixed by Heikki already [0].

I discovered that a similar issue was previously addressed by Heikki in
commit [0], where installcheck was disabled for injection point tests.
However, in the meson build configuration, this was only applied to
regression tests - the isolation and TAP tests are still running during
installcheck.

As demonstrated in the previously shared reproducer [1], even *local*
injection points can cause backend crashes through unexpected side effects.
Therefore, I propose extending the installcheck disable to cover both TAP
and isolation tests as well.

I've attached a patch implementing these changes.

A patch with such change is attached.

Best regards,
Mikhail.

[0]:
https://github.com/postgres/postgres/commit/e2e3b8ae9ed73fcd3096c5ca93971891a7767388
[1]:
https://www.postgresql.org/message-id/flat/CANtu0ojbx6%3DesP8euQgzD1CN6tigTQvDmupwEmLTHZT%3D6_yx_A%40mail.gmail.com#18544d553544da67b4fc1ef764df3c3d

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