installed_tests=false still installs introspection file

[alice]

1.10.8

Experienced behavior

installed_tests=false installs installed-tests/graphene-1.0/introspection.py

Expected behavior

to not install the introspection file into the installed-tests folder with installed_tests=false

Steps to reproduce

meson \
  -Dinstalled_tests=false \
  . output
meson compile ${JOBS:+-j ${JOBS}} -C output
meson install --no-rebuild -C output

Operating system in use

alpine linux edge x86_64

SIMD implementation in use

default settings