test: refactor: Inline adjust_bitcoin_conf_for_pre_17

2 files changed, 10 insertions, 8 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"""
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index 52306c8c3d..f1e8cc95c8 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -327,12 +327,6 @@ def initialize_datadir(dirname, n, chain):
         os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
     return datadir
 
-def adjust_bitcoin_conf_for_pre_17(conf_file):
-    with open(conf_file,'r', encoding='utf8') as conf:
-        conf_data = conf.read()
-    with open(conf_file, 'w', encoding='utf8') as conf:
-        conf_data_changed = conf_data.replace('[regtest]', '')
-        conf.write(conf_data_changed)
 
 def get_datadir_path(dirname, n):
     return os.path.join(dirname, "node" + str(n))