Update to pysqlite 2.2.0
diff --git a/Lib/sqlite3/test/transactions.py b/Lib/sqlite3/test/transactions.py
index 28202cb..1f0b19a 100644
--- a/Lib/sqlite3/test/transactions.py
+++ b/Lib/sqlite3/test/transactions.py
@@ -25,7 +25,7 @@
 import sqlite3 as sqlite
 
 def get_db_path():
-    return "testdb"
+    return "sqlite_testdb"
 
 class TransactionTests(unittest.TestCase):
     def setUp(self):
@@ -47,6 +47,8 @@
         self.cur2.close()
         self.con2.close()
 
+        os.unlink(get_db_path())
+
     def CheckDMLdoesAutoCommitBefore(self):
         self.cur1.execute("create table test(i)")
         self.cur1.execute("insert into test(i) values (5)")