security: Pair-up Tpm and Pib in KeyChain

In this commit, we also change the HOME setting for test cases.

Change-Id: I7fa15461555b3519d9d2005c6956c167ed07d66f
Refs: #2242
Refs: #2260
diff --git a/tests/unit-tests/security/config-file-malformed2-home/.ndn/client.conf b/tests/unit-tests/security/config-file-malformed2-home/.ndn/client.conf
index 3f7795d..2cfb7f6 100644
--- a/tests/unit-tests/security/config-file-malformed2-home/.ndn/client.conf
+++ b/tests/unit-tests/security/config-file-malformed2-home/.ndn/client.conf
@@ -1,2 +1,2 @@
-pib=sqlite3
+pib=pib-sqlite3:/tmp/test/ndn-cxx/keychain/sqlite3-just-wrong/
 tpm=just-wrong