[tests] Functional tests must explicitly set num_nodes

Github-Pull: #11121
Rebased-From: 7148b74dc39110f53c665b94fa9d994c6ad6dc1c

1 files changed, 3 insertions, 1 deletions

diff --git a/test/functional/example_test.py b/test/functional/example_test.py
index de8934f74b..936aceb89a 100755
--- a/test/functional/example_test.py
+++ b/test/functional/example_test.py
@@ -77,7 +77,9 @@ class ExampleTest(BitcoinTestFramework):
     # and setup_nodes() methods to customize the test setup as required.
 
     def set_test_params(self):
-        """Override any test parameters for your individual test."""
+        """Override test parameters for your individual test.
+
+        This method must be overridden and num_nodes must be exlicitly set."""
         self.setup_clean_chain = True
         self.num_nodes = 3
         # Use self.extra_args to change command-line arguments for the nodes