Re: [PATCH] [OUTREACHY] t1002: modernize outdated conditional

"nsengaw4c via GitGitGadget" [off-list ref] writes:

From: wilberforce <redacted>

This name must match ...

Tests in this script use an unusual and hard to reason about
conditional construct

    if expression; then false; else :; fi

Change them to use more idiomatic construct:

    ! expression

Cc: Christian Couder  <redacted>
Cc: Hariom Verma <redacted>
Signed-off-by: Nsengiyumva  wilberfore <redacted>

... the name you sign-off your work with.

-     if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
+     ! read_tree_u_must_succeed -m -u $treeH $treeM'

OK.