[qa] Remove hardcoded "4 nodes" from test_framework

1 files changed, 5 insertions, 4 deletions

diff --git a/qa/rpc-tests/maxblocksinflight.py b/qa/rpc-tests/maxblocksinflight.py
index 6f105a77e3..1df1c484be 100755
--- a/qa/rpc-tests/maxblocksinflight.py
+++ b/qa/rpc-tests/maxblocksinflight.py
@@ -76,12 +76,13 @@ class MaxBlocksInFlightTest(BitcoinTestFramework):
                           default=os.getenv("BITCOIND", "bitcoind"),
                           help="Binary to test max block requests behavior")
 
-    def setup_chain(self):
-        print("Initializing test directory "+self.options.tmpdir)
-        initialize_chain_clean(self.options.tmpdir, 1)
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = True
+        self.num_nodes = 1
 
     def setup_network(self):
-        self.nodes = start_nodes(1, self.options.tmpdir,
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
                                  extra_args=[['-debug', '-whitelist=127.0.0.1']],
                                  binary=[self.options.testbinary])