test: refactor: Inline adjust_bitcoin_conf_for_pre_17

1 files changed, 10 insertions, 2 deletions

diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index 9f5e9e5f0d..c9fad91481 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -452,7 +452,7 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
         assert_equal(len(binary), num_nodes)
         assert_equal(len(binary_cli), num_nodes)
         for i in range(num_nodes):
-            self.nodes.append(TestNode(
+            test_node_i = TestNode(
                 i,
                 get_datadir_path(self.options.tmpdir, i),
                 chain=self.chain,
@@ -470,7 +470,15 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
                 start_perf=self.options.perf,
                 use_valgrind=self.options.valgrind,
                 descriptors=self.options.descriptors,
-            ))
+            )
+            self.nodes.append(test_node_i)
+            if not test_node_i.version_is_at_least(170000):
+                # adjust conf for pre 17
+                conf_file = test_node_i.bitcoinconf
+                with open(conf_file, 'r', encoding='utf8') as conf:
+                    conf_data = conf.read()
+                with open(conf_file, 'w', encoding='utf8') as conf:
+                    conf.write(conf_data.replace('[regtest]', ''))
 
     def start_node(self, i, *args, **kwargs):
         """Start a bitcoind"""