test: Update wait_until usage in tests not to use the one from utils

Replace "wait_until()" usage from utils, with the ones from BitcoinTestFramework and P2PInterface.
closes #19080

test/functional/mempool_packages.py

@@ -13,7 +13,6 @@ from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
     satoshi_round,
-    wait_until,
 )
 
 # default limits
@@ -269,8 +268,8 @@ class MempoolPackagesTest(BitcoinTestFramework):
         # - txs from previous ancestor test (-> custom ancestor limit)
         # - parent tx for descendant test
         # - txs chained off parent tx (-> custom descendant limit)
-        wait_until(lambda: len(self.nodes[1].getrawmempool(False)) ==
-                           MAX_ANCESTORS_CUSTOM + 1 + MAX_DESCENDANTS_CUSTOM, timeout=10)
+        self.wait_until(lambda: len(self.nodes[1].getrawmempool(False)) ==
+                                MAX_ANCESTORS_CUSTOM + 1 + MAX_DESCENDANTS_CUSTOM, timeout=10)
         mempool0 = self.nodes[0].getrawmempool(False)
         mempool1 = self.nodes[1].getrawmempool(False)
         assert set(mempool1).issubset(set(mempool0))