otherwise TEST-02 will fail:
```
=== Failed test log ===
--- test-network-generator-conversion.sh begin ---
+ [[ -n '' ]]
+ [[ -x /usr/lib/systemd/systemd-network-generator ]]
+ [[ -x /lib/systemd/systemd-network-generator ]]
+ exit 1
--- test-network-generator-conversion.sh end ---
```
Before:
```
$ meson build -Dnetworkd=false -Dinstall-tests=true
$ ninja -C build
$ DESTDIR=$PWD/test-install ninja -C build install
$ find test-install/ -name test-network-generator-conversion.sh
test-install/usr/lib/systemd/tests/test-network-generator-conversion.sh
```
After:
```
$ find test-install/ -name test-network-generator-conversion.sh
<no output>
```
install_data('run-unit-tests.py',
install_mode : 'rwxr-xr-x',
install_dir : testsdir)
- install_data('test-network-generator-conversion.sh',
- install_mode : 'rwxr-xr-x',
- install_dir : testsdir)
+
+ if conf.get('ENABLE_NETWORKD') == 1
+ install_data('test-network-generator-conversion.sh',
+ install_mode : 'rwxr-xr-x',
+ install_dir : testsdir)
+ endif
endif
############################################################