tests: unit-tests-{core,tools} no longer require a global io_service

BaseFixture is moved to tests/daemon and renamed to GlobalIoFixture

Refs: #4528
Change-Id: If9184e9f7f1d6072b0103d3ea3ca6c31a9e505c8
diff --git a/tests/daemon/face/unix-stream-transport-fixture.hpp b/tests/daemon/face/unix-stream-transport-fixture.hpp
index d131a00..582db48 100644
--- a/tests/daemon/face/unix-stream-transport-fixture.hpp
+++ b/tests/daemon/face/unix-stream-transport-fixture.hpp
@@ -29,8 +29,9 @@
 #include "face/unix-stream-transport.hpp"
 #include "face/face.hpp"
 
-#include "dummy-receive-link-service.hpp"
+#include "tests/test-common.hpp"
 #include "tests/daemon/limited-io.hpp"
+#include "dummy-receive-link-service.hpp"
 
 #include <boost/filesystem.hpp>
 
@@ -76,7 +77,7 @@
   }
 };
 
-class UnixStreamTransportFixture : public BaseFixture
+class UnixStreamTransportFixture : public GlobalIoFixture
 {
 protected:
   UnixStreamTransportFixture()