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/p2p_compactblocks_blocksonly.py

@@ -127,4 +127,4 @@ class P2PCompactBlocksBlocksOnly(BitcoinTestFramework):
         p2p_conn_blocksonly.wait_until(lambda: test_for_cmpctblock(block2))
 
 if __name__ == '__main__':
-    P2PCompactBlocksBlocksOnly().main()
+    P2PCompactBlocksBlocksOnly(__file__).main()