[tests] fixups from set_test_params()

Github-Pull: #11215
Rebased-From: 3918d93f3c

test/functional/bitcoin_cli.py

@@ -8,8 +8,7 @@ from test_framework.util import assert_equal
 
 class TestBitcoinCli(BitcoinTestFramework):
 
-    def __init__(self):
-        super().__init__()
+    def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 1
 

test/functional/example_test.py

@@ -85,7 +85,7 @@ class ExampleTest(BitcoinTestFramework):
         # Use self.extra_args to change command-line arguments for the nodes
         self.extra_args = [[], ["-logips"], []]
 
-        # self.log.info("I've finished __init__")  # Oops! Can't run self.log before run_test()
+        # self.log.info("I've finished set_test_params")  # Oops! Can't run self.log before run_test()
 
     # Use add_options() to add specific command-line options for your test.
     # In practice this is not used very much, since the tests are mostly written