tests: IdentityManagementFixture no longer derives from BaseFixture

Also rename it to KeyChainFixture

Refs: #4528
Change-Id: Id86f4affc9c4c9ae159912430cc3e78557bf1ac2
diff --git a/tests/daemon/rib/fib-updates-common.hpp b/tests/daemon/rib/fib-updates-common.hpp
index 4668af5..7a123d3 100644
--- a/tests/daemon/rib/fib-updates-common.hpp
+++ b/tests/daemon/rib/fib-updates-common.hpp
@@ -28,7 +28,7 @@
 
 #include "rib/fib-updater.hpp"
 
-#include "tests/identity-management-fixture.hpp"
+#include "tests/key-chain-fixture.hpp"
 #include "tests/daemon/rib/create-route.hpp"
 
 #include <ndn-cxx/util/dummy-client-face.hpp>
@@ -60,7 +60,7 @@
   return false;
 }
 
-class FibUpdatesFixture : public nfd::tests::IdentityManagementFixture
+class FibUpdatesFixture : public nfd::tests::BaseFixture, public nfd::tests::KeyChainFixture
 {
 public:
   FibUpdatesFixture()
diff --git a/tests/daemon/rib/readvertise/host-to-gateway-readvertise-policy.t.cpp b/tests/daemon/rib/readvertise/host-to-gateway-readvertise-policy.t.cpp
index c455065..aaff73e 100644
--- a/tests/daemon/rib/readvertise/host-to-gateway-readvertise-policy.t.cpp
+++ b/tests/daemon/rib/readvertise/host-to-gateway-readvertise-policy.t.cpp
@@ -25,7 +25,7 @@
 
 #include "rib/readvertise/host-to-gateway-readvertise-policy.hpp"
 
-#include "tests/identity-management-fixture.hpp"
+#include "tests/key-chain-fixture.hpp"
 
 #include <ndn-cxx/security/signing-helpers.hpp>
 
@@ -35,7 +35,7 @@
 
 using namespace nfd::tests;
 
-class HostToGatewayReadvertisePolicyFixture : public IdentityManagementFixture
+class HostToGatewayReadvertisePolicyFixture : public BaseFixture, public KeyChainFixture
 {
 public:
   static RibRouteRef
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 e3afcbf..6787769 100644
--- a/tests/daemon/rib/readvertise/nfd-rib-readvertise-destination.t.cpp
+++ b/tests/daemon/rib/readvertise/nfd-rib-readvertise-destination.t.cpp
@@ -25,7 +25,7 @@
 
 #include "rib/readvertise/nfd-rib-readvertise-destination.hpp"
 
-#include "tests/identity-management-fixture.hpp"
+#include "tests/key-chain-fixture.hpp"
 #include "tests/test-common.hpp"
 
 #include <ndn-cxx/security/signing-info.hpp>
@@ -37,7 +37,7 @@
 
 using namespace nfd::tests;
 
-class NfdRibReadvertiseDestinationFixture : public IdentityManagementTimeFixture
+class NfdRibReadvertiseDestinationFixture : public UnitTestTimeFixture, public KeyChainFixture
 {
 public:
   NfdRibReadvertiseDestinationFixture()
diff --git a/tests/daemon/rib/readvertise/readvertise.t.cpp b/tests/daemon/rib/readvertise/readvertise.t.cpp
index d2d8bb2..15cc105 100644
--- a/tests/daemon/rib/readvertise/readvertise.t.cpp
+++ b/tests/daemon/rib/readvertise/readvertise.t.cpp
@@ -25,9 +25,10 @@
 
 #include "rib/readvertise/readvertise.hpp"
 
-#include "tests/identity-management-fixture.hpp"
+#include "tests/key-chain-fixture.hpp"
 
 #include <ndn-cxx/util/dummy-client-face.hpp>
+
 #include <boost/range/adaptor/transformed.hpp>
 #include <boost/range/algorithm/copy.hpp>
 
@@ -110,7 +111,7 @@
   std::vector<HistoryEntry> withdrawHistory;
 };
 
-class ReadvertiseFixture : public IdentityManagementTimeFixture
+class ReadvertiseFixture : public UnitTestTimeFixture, public KeyChainFixture
 {
 public:
   ReadvertiseFixture()