test: Activate all regtest softforks at height 1, unless overridden

test/functional/feature_bip68_sequence.py

@@ -41,8 +41,14 @@ class BIP68Test(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2
         self.extra_args = [
-            ["-acceptnonstdtxn=1"],
-            ["-acceptnonstdtxn=0"],
+            [
+                '-testactivationheight=csv@432',
+                "-acceptnonstdtxn=1",
+            ],
+            [
+                '-testactivationheight=csv@432',
+                "-acceptnonstdtxn=0",
+            ],
         ]
 
     def skip_test_if_missing_module(self):