Deactivate buggy test #2

Job	Run time
Automated run of xapian-check-patch	16s
make dist	10m 45s
android-cross	0s
clang6	0s
assertions	0s
clang	0s
clang-santisers	0s
cxx20	0s
cxx23	0s
cygwin	0s
debian-stable	0s
debug-log	0s
dragonfly	0s
Fedora	0s
FORTIFY_SOURCE_3	0s
freebsd	0s
GCC 7	0s
GLIBCXX_DEBUG	0s
macos	0s
macos-12	0s
macos-13	0s
mingw64-i686-cross	0s
mingw64-x86-64-cross	0s
msvc2019	0s
msvc2019-x86	0s
msvc2022	0s
msvc2022-x86	0s
msys2-mingw32	0s
msys2-mingw64	0s
msys2-ucrt64	0s
netbsd	0s
	11m 1s

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