scripted-diff: Add __file__ argument to BitcoinTestFramework.init()

-BEGIN VERIFY SCRIPT-
sed -i -e 's/\s*().main\s*()/(__file__).main()/' $(git ls-files test/functional/*.py)
sed -i -e 's/def __init__(self)/def __init__(self, test_file)/' test/functional/test_framework/test_framework.py
-END VERIFY SCRIPT-

test/functional/rpc_whitelist.py

@@ -93,4 +93,4 @@ class RPCWhitelistTest(BitcoinTestFramework):
         assert_equal(200, rpccall(self.nodes[0], self.strange_users[4], "getblockcount").status)
 
 if __name__ == "__main__":
-    RPCWhitelistTest().main()
+    RPCWhitelistTest(__file__).main()