diff --git a/build_msvc/test_bitcoin-qt/test_bitcoin-qt.vcxproj b/build_msvc/test_bitcoin-qt/test_bitcoin-qt.vcxproj
index ec572b4f2ed..3a2540d549a 100644
--- a/build_msvc/test_bitcoin-qt/test_bitcoin-qt.vcxproj
+++ b/build_msvc/test_bitcoin-qt/test_bitcoin-qt.vcxproj
@@ -54,6 +54,9 @@
     <ProjectReference Include="..\libbitcoin_zmq\libbitcoin_zmq.vcxproj">
       <Project>{792d487f-f14c-49fc-a9de-3fc150f31c3f}</Project>
     </ProjectReference>
+    <ProjectReference Include="..\libtest_util\libtest_util.vcxproj">
+      <Project>{1e065f03-3566-47d0-8fa9-daa72b084e7d}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\libleveldb\libleveldb.vcxproj">
       <Project>{18430fef-6b61-4c53-b396-718e02850f1b}</Project>
     </ProjectReference>
diff --git a/src/Makefile.test_util.include b/src/Makefile.test_util.include
index ada789f1b01..d142572b276 100644
--- a/src/Makefile.test_util.include
+++ b/src/Makefile.test_util.include
@@ -5,20 +5,21 @@
 LIBTEST_UTIL=libtest_util.a
 
 EXTRA_LIBRARIES += \
-    $(LIBTEST_UTIL)
+  $(LIBTEST_UTIL)
 
 TEST_UTIL_H = \
-    test/util/blockfilter.h \
-    test/util/chainstate.h \
-    test/util/logging.h \
-    test/util/mining.h \
-    test/util/net.h \
-    test/util/script.h \
-    test/util/setup_common.h \
-    test/util/str.h \
-    test/util/transaction_utils.h \
-    test/util/validation.h \
-    test/util/wallet.h
+  test/util/blockfilter.h \
+  test/util/chainstate.h \
+  test/util/logging.h \
+  test/util/mining.h \
+  test/util/net.h \
+  test/util/script.h \
+  test/util/setup_common.h \
+  test/util/str.h \
+  test/util/transaction_utils.h \
+  test/util/txmempool.h \
+  test/util/validation.h \
+  test/util/wallet.h
 
 libtest_util_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BOOST_CPPFLAGS)
 libtest_util_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -31,6 +32,7 @@ libtest_util_a_SOURCES = \
   test/util/setup_common.cpp \
   test/util/str.cpp \
   test/util/transaction_utils.cpp \
+  test/util/txmempool.cpp \
   test/util/validation.cpp \
   test/util/wallet.cpp \
   $(TEST_UTIL_H)
diff --git a/src/test/blockencodings_tests.cpp b/src/test/blockencodings_tests.cpp
index 78b82b9b202..1c13c0a909d 100644
--- a/src/test/blockencodings_tests.cpp
+++ b/src/test/blockencodings_tests.cpp
@@ -7,6 +7,7 @@
 #include <consensus/merkle.h>
 #include <pow.h>
 #include <streams.h>
+#include <test/util/txmempool.h>
 
 #include <test/util/setup_common.h>
 
diff --git a/src/test/fuzz/rbf.cpp b/src/test/fuzz/rbf.cpp
index e06e57d9197..678fc7a5aad 100644
--- a/src/test/fuzz/rbf.cpp
+++ b/src/test/fuzz/rbf.cpp
@@ -11,6 +11,7 @@
 #include <test/fuzz/util.h>
 #include <test/fuzz/util/mempool.h>
 #include <test/util/setup_common.h>
+#include <test/util/txmempool.h>
 #include <txmempool.h>
 
 #include <cstdint>
diff --git a/src/test/fuzz/tx_pool.cpp b/src/test/fuzz/tx_pool.cpp
index a34e501fcc0..46ca8e47e97 100644
--- a/src/test/fuzz/tx_pool.cpp
+++ b/src/test/fuzz/tx_pool.cpp
@@ -13,6 +13,7 @@
 #include <test/util/mining.h>
 #include <test/util/script.h>
 #include <test/util/setup_common.h>
+#include <test/util/txmempool.h>
 #include <util/rbf.h>
 #include <validation.h>
 #include <validationinterface.h>
diff --git a/src/test/fuzz/validation_load_mempool.cpp b/src/test/fuzz/validation_load_mempool.cpp
index d96609416b5..9a90de8911b 100644
--- a/src/test/fuzz/validation_load_mempool.cpp
+++ b/src/test/fuzz/validation_load_mempool.cpp
@@ -12,6 +12,7 @@
 #include <test/fuzz/util.h>
 #include <test/fuzz/util/mempool.h>
 #include <test/util/setup_common.h>
+#include <test/util/txmempool.h>
 #include <txmempool.h>
 #include <util/time.h>
 #include <validation.h>
diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp
index 19f457b8ddd..393311e4e4f 100644
--- a/src/test/mempool_tests.cpp
+++ b/src/test/mempool_tests.cpp
@@ -3,6 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <policy/policy.h>
+#include <test/util/txmempool.h>
 #include <txmempool.h>
 #include <util/system.h>
 #include <util/time.h>
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index 696a799872a..9bc29e35997 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -9,6 +9,7 @@
 #include <node/miner.h>
 #include <policy/policy.h>
 #include <script/standard.h>
+#include <test/util/txmempool.h>
 #include <timedata.h>
 #include <txmempool.h>
 #include <uint256.h>
diff --git a/src/test/policyestimator_tests.cpp b/src/test/policyestimator_tests.cpp
index 3f66a8fc46c..b652dc44c0b 100644
--- a/src/test/policyestimator_tests.cpp
+++ b/src/test/policyestimator_tests.cpp
@@ -4,6 +4,7 @@
 
 #include <policy/fees.h>
 #include <policy/policy.h>
+#include <test/util/txmempool.h>
 #include <txmempool.h>
 #include <uint256.h>
 #include <util/time.h>
diff --git a/src/test/rbf_tests.cpp b/src/test/rbf_tests.cpp
index c88cd366882..d362c855604 100644
--- a/src/test/rbf_tests.cpp
+++ b/src/test/rbf_tests.cpp
@@ -3,6 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #include <policy/rbf.h>
 #include <random.h>
+#include <test/util/txmempool.h>
 #include <txmempool.h>
 #include <util/system.h>
 #include <util/time.h>
diff --git a/src/test/sigopcount_tests.cpp b/src/test/sigopcount_tests.cpp
index 55486db6b2c..d78f62972f8 100644
--- a/src/test/sigopcount_tests.cpp
+++ b/src/test/sigopcount_tests.cpp
@@ -2,6 +2,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#include <coins.h>
 #include <consensus/consensus.h>
 #include <consensus/tx_verify.h>
 #include <key.h>
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index 9ac6c468e20..9f29342b100 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -36,6 +36,7 @@
 #include <shutdown.h>
 #include <streams.h>
 #include <test/util/net.h>
+#include <test/util/txmempool.h>
 #include <timedata.h>
 #include <txdb.h>
 #include <txmempool.h>
@@ -60,7 +61,6 @@ using node::ApplyArgsManOptions;
 using node::BlockAssembler;
 using node::CalculateCacheSizes;
 using node::LoadChainstate;
-using node::NodeContext;
 using node::RegenerateCommitments;
 using node::VerifyLoadedChainstate;
 
@@ -162,19 +162,6 @@ BasicTestingSetup::~BasicTestingSetup()
     gArgs.ClearArgs();
 }
 
-CTxMemPool::Options MemPoolOptionsForTest(const NodeContext& node)
-{
-    CTxMemPool::Options mempool_opts{
-        .estimator = node.fee_estimator.get(),
-        // Default to always checking mempool regardless of
-        // chainparams.DefaultConsistencyChecks for tests
-        .check_ratio = 1,
-    };
-    const auto err{ApplyArgsManOptions(*node.args, ::Params(), mempool_opts)};
-    Assert(!err);
-    return mempool_opts;
-}
-
 ChainTestingSetup::ChainTestingSetup(const std::string& chainName, const std::vector<const char*>& extra_args)
     : BasicTestingSetup(chainName, extra_args)
 {
@@ -438,17 +425,6 @@ std::vector<CTransactionRef> TestChain100Setup::PopulateMempool(FastRandomContex
     return mempool_transactions;
 }
 
-CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CMutableTransaction& tx) const
-{
-    return FromTx(MakeTransactionRef(tx));
-}
-
-CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CTransactionRef& tx) const
-{
-    return CTxMemPoolEntry(tx, nFee, nTime, nHeight,
-                           spendsCoinbase, sigOpCost, lp);
-}
-
 /**
  * @returns a real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
  *      with 9 txs.
diff --git a/src/test/util/setup_common.h b/src/test/util/setup_common.h
index 3a7d1b54b39..dfa36039a22 100644
--- a/src/test/util/setup_common.h
+++ b/src/test/util/setup_common.h
@@ -8,21 +8,23 @@
 #include <chainparamsbase.h>
 #include <fs.h>
 #include <key.h>
-#include <util/system.h>
 #include <node/caches.h>
 #include <node/context.h>
+#include <primitives/transaction.h>
 #include <pubkey.h>
 #include <random.h>
 #include <stdexcept>
-#include <txmempool.h>
 #include <util/check.h>
 #include <util/string.h>
+#include <util/system.h>
 #include <util/vector.h>
 
 #include <functional>
 #include <type_traits>
 #include <vector>
 
+class Chainstate;
+
 /** This is connected to the logger. Can be used to redirect logs to any other log */
 extern const std::function<void(const std::string&)> G_TEST_LOG_FUN;
 
@@ -90,9 +92,6 @@ struct BasicTestingSetup {
     ArgsManager m_args;
 };
 
-
-CTxMemPool::Options MemPoolOptionsForTest(const node::NodeContext& node);
-
 /** Testing setup that performs all steps up until right before
  * ChainstateManager gets initialized. Meant for testing ChainstateManager
  * initialization behaviour.
@@ -213,33 +212,6 @@ std::unique_ptr<T> MakeNoLogFileContext(const std::string& chain_name = CBaseCha
     return std::make_unique<T>(chain_name, arguments);
 }
 
-class CTxMemPoolEntry;
-
-struct TestMemPoolEntryHelper
-{
-    // Default values
-    CAmount nFee;
-    int64_t nTime;
-    unsigned int nHeight;
-    bool spendsCoinbase;
-    unsigned int sigOpCost;
-    LockPoints lp;
-
-    TestMemPoolEntryHelper() :
-        nFee(0), nTime(0), nHeight(1),
-        spendsCoinbase(false), sigOpCost(4) { }
-
-    CTxMemPoolEntry FromTx(const CMutableTransaction& tx) const;
-    CTxMemPoolEntry FromTx(const CTransactionRef& tx) const;
-
-    // Change the default value
-    TestMemPoolEntryHelper &Fee(CAmount _fee) { nFee = _fee; return *this; }
-    TestMemPoolEntryHelper &Time(int64_t _time) { nTime = _time; return *this; }
-    TestMemPoolEntryHelper &Height(unsigned int _height) { nHeight = _height; return *this; }
-    TestMemPoolEntryHelper &SpendsCoinbase(bool _flag) { spendsCoinbase = _flag; return *this; }
-    TestMemPoolEntryHelper &SigOpsCost(unsigned int _sigopsCost) { sigOpCost = _sigopsCost; return *this; }
-};
-
 CBlock getBlock13b8a();
 
 // define an implicit conversion here so that uint256 may be used directly in BOOST_CHECK_*
diff --git a/src/test/util/txmempool.cpp b/src/test/util/txmempool.cpp
new file mode 100644
index 00000000000..12cc1a4a3d9
--- /dev/null
+++ b/src/test/util/txmempool.cpp
@@ -0,0 +1,39 @@
+// Copyright (c) 2022 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <test/util/txmempool.h>
+
+#include <chainparams.h>
+#include <node/context.h>
+#include <node/mempool_args.h>
+#include <txmempool.h>
+#include <util/check.h>
+#include <util/time.h>
+#include <util/translation.h>
+
+using node::NodeContext;
+
+CTxMemPool::Options MemPoolOptionsForTest(const NodeContext& node)
+{
+    CTxMemPool::Options mempool_opts{
+        .estimator = node.fee_estimator.get(),
+        // Default to always checking mempool regardless of
+        // chainparams.DefaultConsistencyChecks for tests
+        .check_ratio = 1,
+    };
+    const auto err{ApplyArgsManOptions(*node.args, ::Params(), mempool_opts)};
+    Assert(!err);
+    return mempool_opts;
+}
+
+CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CMutableTransaction& tx) const
+{
+    return FromTx(MakeTransactionRef(tx));
+}
+
+CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CTransactionRef& tx) const
+{
+    return CTxMemPoolEntry(tx, nFee, nTime, nHeight,
+                           spendsCoinbase, sigOpCost, lp);
+}
diff --git a/src/test/util/txmempool.h b/src/test/util/txmempool.h
new file mode 100644
index 00000000000..8c4f3a35812
--- /dev/null
+++ b/src/test/util/txmempool.h
@@ -0,0 +1,41 @@
+// Copyright (c) 2022 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_TEST_UTIL_TXMEMPOOL_H
+#define BITCOIN_TEST_UTIL_TXMEMPOOL_H
+
+#include <txmempool.h>
+
+namespace node {
+struct NodeContext;
+}
+
+CTxMemPool::Options MemPoolOptionsForTest(const node::NodeContext& node);
+
+struct TestMemPoolEntryHelper
+{
+    // Default values
+    CAmount nFee;
+    int64_t nTime;
+    unsigned int nHeight;
+    bool spendsCoinbase;
+    unsigned int sigOpCost;
+    LockPoints lp;
+
+    TestMemPoolEntryHelper() :
+        nFee(0), nTime(0), nHeight(1),
+        spendsCoinbase(false), sigOpCost(4) { }
+
+    CTxMemPoolEntry FromTx(const CMutableTransaction& tx) const;
+    CTxMemPoolEntry FromTx(const CTransactionRef& tx) const;
+
+    // Change the default value
+    TestMemPoolEntryHelper &Fee(CAmount _fee) { nFee = _fee; return *this; }
+    TestMemPoolEntryHelper &Time(int64_t _time) { nTime = _time; return *this; }
+    TestMemPoolEntryHelper &Height(unsigned int _height) { nHeight = _height; return *this; }
+    TestMemPoolEntryHelper &SpendsCoinbase(bool _flag) { spendsCoinbase = _flag; return *this; }
+    TestMemPoolEntryHelper &SigOpsCost(unsigned int _sigopsCost) { sigOpCost = _sigopsCost; return *this; }
+};
+
+#endif // BITCOIN_TEST_UTIL_TXMEMPOOL_H
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index 6e59d2e8e6c..009c27927fc 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -26,6 +26,7 @@
 #include <util/bitdeque.h>
 
 #include <array>
+#include <cmath>
 #include <fstream>
 #include <limits>
 #include <map>
diff --git a/src/wallet/test/feebumper_tests.cpp b/src/wallet/test/feebumper_tests.cpp
index 6add86dc3d1..2480a9b4e17 100644
--- a/src/wallet/test/feebumper_tests.cpp
+++ b/src/wallet/test/feebumper_tests.cpp
@@ -2,6 +2,8 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or https://www.opensource.org/licenses/mit-license.php.
 
+#include <consensus/validation.h>
+#include <policy/policy.h>
 #include <primitives/transaction.h>
 #include <script/script.h>
 #include <util/strencodings.h>