test/policyestimator: Use ChainTestingSetup's CTxMemPool

src/test/policyestimator_tests.cpp

@@ -12,12 +12,12 @@
 
 #include <boost/test/unit_test.hpp>
 
-BOOST_FIXTURE_TEST_SUITE(policyestimator_tests, BasicTestingSetup)
+BOOST_FIXTURE_TEST_SUITE(policyestimator_tests, ChainTestingSetup)
 
 BOOST_AUTO_TEST_CASE(BlockPolicyEstimates)
 {
-    CBlockPolicyEstimator feeEst;
-    CTxMemPool mpool(&feeEst);
+    CBlockPolicyEstimator& feeEst = *Assert(m_node.fee_estimator);
+    CTxMemPool& mpool = *Assert(m_node.mempool);
     LOCK2(cs_main, mpool.cs);
     TestMemPoolEntryHelper entry;
     CAmount basefee(2000);