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/unsolicited-data-policy.t.cpp b/tests/daemon/fw/unsolicited-data-policy.t.cpp
index e6b73ad..11eafe1 100644
--- a/tests/daemon/fw/unsolicited-data-policy.t.cpp
+++ b/tests/daemon/fw/unsolicited-data-policy.t.cpp
@@ -25,9 +25,11 @@
 
 #include "fw/unsolicited-data-policy.hpp"
 #include "fw/forwarder.hpp"
-#include "tests/daemon/face/dummy-face.hpp"
 
 #include "tests/test-common.hpp"
+#include "tests/daemon/global-io-fixture.hpp"
+#include "tests/daemon/face/dummy-face.hpp"
+
 #include <boost/logic/tribool.hpp>
 #include <boost/mpl/vector.hpp>
 
@@ -37,7 +39,7 @@
 
 using namespace nfd::tests;
 
-class UnsolicitedDataPolicyFixture : public UnitTestTimeFixture
+class UnsolicitedDataPolicyFixture : public GlobalIoTimeFixture
 {
 protected:
   UnsolicitedDataPolicyFixture()