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/fw/multicast-strategy.t.cpp b/tests/daemon/fw/multicast-strategy.t.cpp
index e3ed88b..a6d9be6 100644
--- a/tests/daemon/fw/multicast-strategy.t.cpp
+++ b/tests/daemon/fw/multicast-strategy.t.cpp
@@ -26,8 +26,8 @@
 #include "fw/multicast-strategy.hpp"
 #include "daemon/global.hpp"
 
-#include "tests/daemon/face/dummy-face.hpp"
 #include "tests/test-common.hpp"
+#include "tests/daemon/face/dummy-face.hpp"
 #include "strategy-tester.hpp"
 
 namespace nfd {
@@ -39,7 +39,7 @@
 typedef StrategyTester<MulticastStrategy> MulticastStrategyTester;
 NFD_REGISTER_STRATEGY(MulticastStrategyTester);
 
-class MulticastStrategyFixture : public UnitTestTimeFixture
+class MulticastStrategyFixture : public GlobalIoTimeFixture
 {
 protected:
   MulticastStrategyFixture()