tests/curses: Extend to test versions

This is mostly important for the system dependency where we need to roll
the version check ourselves.

test cases/frameworks/31 curses/meson.build

@@ -1,9 +1,13 @@
 project('curses', 'c')
 
-curses = dependency('curses', required: false, method : get_option('method'))
+curses = dependency('curses', required: false, method : get_option('method'), version : '>= 0')
 if not curses.found()
   error('MESON_SKIP_TEST: Curses library not found')
 endif
 
 exec = executable('basic', 'main.c', dependencies: curses)
 # didn't run the test because in general graphics fail on CI
+
+# this should fail
+not_found = dependency('curses', required: false, method : get_option('method'), version : '> 1000000')
+assert(not_found.found() == false)