diff --git a/.golangci.yml b/.golangci.yml
index 46a0a0ca..5b4a6f1c 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -24,6 +24,7 @@ linters:
     - staticcheck
     - stylecheck
     - typecheck
+    - thelper
     - unconvert
     - unparam
     - unused
diff --git a/app/app_test.go b/app/app_test.go
index 3c2adb58..57706fc9 100644
--- a/app/app_test.go
+++ b/app/app_test.go
@@ -124,6 +124,7 @@ func TestGetEnabledProposals(t *testing.T) {
 }
 
 func SetupGenesisValSet(t *testing.T, valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount, _ []wasm.Option, app *MigalooApp, balances ...banktypes.Balance) GenesisState {
+	t.Helper()
 	genesisState := NewDefaultGenesisState()
 	// set genesis accounts
 	authGenesis := authtypes.NewGenesisState(authtypes.DefaultParams(), genAccs)
diff --git a/app/test_access.go b/app/test_access.go
index 0ffa02be..b040bb2a 100644
--- a/app/test_access.go
+++ b/app/test_access.go
@@ -24,8 +24,10 @@ type TestSupport struct {
 	app *MigalooApp
 }
 
-func NewTestSupport(t testing.TB, app *MigalooApp) *TestSupport {
-	return &TestSupport{t: t, app: app}
+// NewTestSupport creates a new TestSupport instance, which provides access to the app for testing.
+func NewTestSupport(tb testing.TB, app *MigalooApp) *TestSupport {
+	tb.Helper()
+	return &TestSupport{t: tb, app: app}
 }
 
 func (s TestSupport) IBCKeeper() *ibckeeper.Keeper {
diff --git a/app/test_helpers.go b/app/test_helpers.go
index fef77b6f..c43b03a2 100644
--- a/app/test_helpers.go
+++ b/app/test_helpers.go
@@ -60,13 +60,14 @@ var DefaultConsensusParams = &tmproto.ConsensusParams{
 	},
 }
 
-func setup(t testing.TB, withGenesis bool, invCheckPeriod uint, opts ...wasm.Option) (*MigalooApp, GenesisState) {
-	nodeHome := t.TempDir()
+func setup(tb testing.TB, withGenesis bool, invCheckPeriod uint, opts ...wasm.Option) (*MigalooApp, GenesisState) {
+	tb.Helper()
+	nodeHome := tb.TempDir()
 	snapshotDir := filepath.Join(nodeHome, "data", "snapshots")
 	snapshotDB, err := dbm.NewDB("metadata", dbm.MemDBBackend, snapshotDir)
-	require.NoError(t, err)
+	require.NoError(tb, err)
 	snapshotStore, err := snapshots.NewStore(snapshotDB, snapshotDir)
-	require.NoError(t, err)
+	require.NoError(tb, err)
 	baseAppOpts := []func(*bam.BaseApp){
 		bam.SetSnapshot(snapshotStore, snapshottypes.NewSnapshotOptions(50000, 2)),
 	}
@@ -102,6 +103,7 @@ func Setup(isCheckTx bool, opts ...wasm.Option) *MigalooApp {
 }
 
 func SetupMigalooAppWithValSet(t *testing.T) *MigalooApp {
+	t.Helper()
 	// generate validator private/public key
 	privVal := mock.NewPV()
 	pubKey, err := privVal.GetPubKey()
@@ -131,6 +133,7 @@ func SetupMigalooAppWithValSet(t *testing.T) *MigalooApp {
 // of one consensus engine unit (10^6) in the default token of the MigalooApp from first genesis
 // account. A Nop logger is set in MigalooApp.
 func SetupWithGenesisValSet(t *testing.T, valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount, chainID string, opts []wasm.Option, balances ...banktypes.Balance) *MigalooApp {
+	t.Helper()
 	app, genesisState := setup(t, true, 5, opts...)
 	genesisState, err := simtestutil.GenesisStateWithValSet(app.AppCodec(), genesisState, valSet, genAccs, balances...)
 	require.NoError(t, err)
@@ -240,8 +243,9 @@ func GenesisStateWithValSet(app *MigalooApp) GenesisState {
 }
 
 // SetupWithEmptyStore setup a wasmd app instance with empty DB
-func SetupWithEmptyStore(t testing.TB) *MigalooApp {
-	app, _ := setup(t, false, 0)
+func SetupWithEmptyStore(tb testing.TB) *MigalooApp {
+	tb.Helper()
+	app, _ := setup(tb, false, 0)
 	return app
 }
 
@@ -366,6 +370,7 @@ func TestAddr(addr string, bech string) (sdk.AccAddress, error) {
 
 // CheckBalance checks the balance of an account.
 func CheckBalance(t *testing.T, app *MigalooApp, addr sdk.AccAddress, balances sdk.Coins) {
+	t.Helper()
 	ctxCheck := app.BaseApp.NewContext(true, tmproto.Header{})
 	require.True(t, balances.IsEqual(app.BankKeeper.GetAllBalances(ctxCheck, addr)))
 }
@@ -380,6 +385,7 @@ func SignCheckDeliver(
 	t *testing.T, txCfg client.TxConfig, app *bam.BaseApp, header tmproto.Header, msgs []sdk.Msg,
 	chainID string, accNums, accSeqs []uint64, expSimPass, expPass bool, priv ...cryptotypes.PrivKey,
 ) (sdk.GasInfo, *sdk.Result, error) {
+	t.Helper()
 	tx, err := simtestutil.GenSignedMockTx(
 		rand.New(rand.NewSource(time.Now().UnixNano())),
 		txCfg,
@@ -430,6 +436,7 @@ func SignAndDeliver(
 	t *testing.T, txCfg client.TxConfig, app *bam.BaseApp, header tmproto.Header, msgs []sdk.Msg,
 	chainID string, accNums, accSeqs []uint64, priv ...cryptotypes.PrivKey,
 ) (sdk.GasInfo, *sdk.Result, error) {
+	t.Helper()
 	tx, err := simtestutil.GenSignedMockTx(
 		rand.New(rand.NewSource(time.Now().UnixNano())),
 		txCfg,