File disable-test-semaphore.patch of Package libdex

Index: libdex-0.10.0/testsuite/meson.build
===================================================================
--- libdex-0.10.0.orig/testsuite/meson.build
+++ libdex-0.10.0/testsuite/meson.build
@@ -23,7 +23,6 @@ testsuite = {
   'test-fiber': {},
   'test-future': {},
   'test-scheduler': {},
-  'test-semaphore': {},
   'test-stream': {},
 }