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/rib/readvertise/nfd-rib-readvertise-destination.t.cpp b/tests/daemon/rib/readvertise/nfd-rib-readvertise-destination.t.cpp
index 6787769..690a53b 100644
--- a/tests/daemon/rib/readvertise/nfd-rib-readvertise-destination.t.cpp
+++ b/tests/daemon/rib/readvertise/nfd-rib-readvertise-destination.t.cpp
@@ -25,8 +25,9 @@
 
 #include "rib/readvertise/nfd-rib-readvertise-destination.hpp"
 
-#include "tests/key-chain-fixture.hpp"
 #include "tests/test-common.hpp"
+#include "tests/key-chain-fixture.hpp"
+#include "tests/daemon/global-io-fixture.hpp"
 
 #include <ndn-cxx/security/signing-info.hpp>
 #include <ndn-cxx/util/dummy-client-face.hpp>
@@ -37,7 +38,7 @@
 
 using namespace nfd::tests;
 
-class NfdRibReadvertiseDestinationFixture : public UnitTestTimeFixture, public KeyChainFixture
+class NfdRibReadvertiseDestinationFixture : public GlobalIoTimeFixture, public KeyChainFixture
 {
 public:
   NfdRibReadvertiseDestinationFixture()