Run BDB disk-less for test_bitcoin

src/test/test_bitcoin.cpp

@@ -1,6 +1,7 @@
 #define BOOST_TEST_MODULE Bitcoin Test Suite
 #include <boost/test/unit_test.hpp>
 
+#include "db.h"
 #include "main.h"
 #include "wallet.h"
 
@@ -14,13 +15,18 @@ struct TestingSetup {
     TestingSetup() {
         fPrintToConsole = true; // don't want to write to debug.log file
         noui_connect();
-        pwalletMain = new CWallet();
+        bitdb.MakeMock();
+        LoadBlockIndex(true);
+        bool fFirstRun;
+        pwalletMain = new CWallet("wallet.dat");
+        pwalletMain->LoadWallet(fFirstRun);
         RegisterWallet(pwalletMain);
     }
     ~TestingSetup()
     {
         delete pwalletMain;
         pwalletMain = NULL;
+        bitdb.Flush(true);
     }
 };