tests: rename files (00x-*.t is basic stuff, >=100-*.t are tests using IPC)

testcases/t/163-wm-state.t

@@ -0,0 +1,24 @@
+#!perl
+# vim:ts=4:sw=4:expandtab
+#
+# Tests if WM_STATE is WM_STATE_NORMAL when mapped and WM_STATE_WITHDRAWN when
+# unmapped.
+#
+use X11::XCB qw(:all);
+use i3test;
+
+my $x = X11::XCB::Connection->new;
+
+my $window = open_window($x);
+
+sync_with_i3($x);
+
+is($window->state, ICCCM_WM_STATE_NORMAL, 'WM_STATE normal');
+
+$window->unmap;
+
+wait_for_unmap $x;
+
+is($window->state, ICCCM_WM_STATE_WITHDRAWN, 'WM_STATE withdrawn');
+
+done_testing;