tests/common/159: Don't try to run 'echo'
It's not available on Windows. It was passing in the CI because bash
tools are available on AppVeyor by default.
@@ -26,6 +26,9 @@ subdir('uninstall')
subdir('runtarget')
+py3 = import('python3').find_python()
+
custom_target('ctlist-test', output : 'out.txt',
- command : ['echo'], capture : true,
+ command : [py3, '-c', 'print("")'],
+ capture : true,
build_by_default : true)
