Index: django/test/utils.py
===================================================================
--- django/test/utils.py	(revision 6708)
+++ django/test/utils.py	(working copy)
@@ -108,7 +108,11 @@
     # If we're using SQLite, it's more convenient to test against an
     # in-memory database.
     if settings.DATABASE_ENGINE == "sqlite3":
-        TEST_DATABASE_NAME = ":memory:"
+        if settings.TEST_DATABASE_NAME:
+            TEST_DATABASE_NAME = settings.TEST_DATABASE_NAME
+        else:	    
+	    tdn = settings.DATABASE_NAME.rpartition("/")
+	    TEST_DATABASE_NAME = tdn[0] + tdn[1] + "test_" + tdn[2]
     else:
         suffix = {
             'postgresql': get_postgresql_create_suffix,