diff --git a/x/wasm/keeper/query_plugins.go b/x/wasm/keeper/query_plugins.go
index 82de7f272e9..63522add852 100644
--- a/x/wasm/keeper/query_plugins.go
+++ b/x/wasm/keeper/query_plugins.go
@@ -166,7 +166,7 @@ func BankQuerier(bankKeeper types.BankViewKeeper) func(ctx sdk.Context, request
 			}
 			coins := bankKeeper.GetAllBalances(ctx, addr)
 			res := wasmvmtypes.AllBalancesResponse{
-				Amount: convertSdkCoinsToWasmCoins(coins),
+				Amount: ConvertSdkCoinsToWasmCoins(coins),
 			}
 			return json.Marshal(res)
 		}
@@ -388,7 +388,7 @@ func sdkToDelegations(ctx sdk.Context, keeper types.StakingKeeper, delegations [
 		result[i] = wasmvmtypes.Delegation{
 			Delegator: delAddr.String(),
 			Validator: valAddr.String(),
-			Amount:    convertSdkCoinToWasmCoin(amount),
+			Amount:    ConvertSdkCoinToWasmCoin(amount),
 		}
 	}
 	return result, nil
@@ -410,7 +410,7 @@ func sdkToFullDelegation(ctx sdk.Context, keeper types.StakingKeeper, distKeeper
 	bondDenom := keeper.BondDenom(ctx)
 	amount := sdk.NewCoin(bondDenom, val.TokensFromShares(delegation.Shares).TruncateInt())
 
-	delegationCoins := convertSdkCoinToWasmCoin(amount)
+	delegationCoins := ConvertSdkCoinToWasmCoin(amount)
 
 	// FIXME: this is very rough but better than nothing...
 	// https://github.com/CosmWasm/wasmd/issues/282
@@ -507,15 +507,17 @@ func WasmQuerier(k wasmQueryKeeper) func(ctx sdk.Context, request *wasmvmtypes.W
 	}
 }
 
-func convertSdkCoinsToWasmCoins(coins []sdk.Coin) wasmvmtypes.Coins {
+// ConvertSdkCoinsToWasmCoins covert sdk type to wasmvm coins type
+func ConvertSdkCoinsToWasmCoins(coins []sdk.Coin) wasmvmtypes.Coins {
 	converted := make(wasmvmtypes.Coins, len(coins))
 	for i, c := range coins {
-		converted[i] = convertSdkCoinToWasmCoin(c)
+		converted[i] = ConvertSdkCoinToWasmCoin(c)
 	}
 	return converted
 }
 
-func convertSdkCoinToWasmCoin(coin sdk.Coin) wasmvmtypes.Coin {
+// ConvertSdkCoinToWasmCoin covert sdk type to wasmvm coin type
+func ConvertSdkCoinToWasmCoin(coin sdk.Coin) wasmvmtypes.Coin {
 	return wasmvmtypes.Coin{
 		Denom:  coin.Denom,
 		Amount: coin.Amount.String(),
diff --git a/x/wasm/keeper/test_common.go b/x/wasm/keeper/test_common.go
index 062c167e98f..d609771c772 100644
--- a/x/wasm/keeper/test_common.go
+++ b/x/wasm/keeper/test_common.go
@@ -121,15 +121,16 @@ var TestingStakeParams = stakingtypes.Params{
 }
 
 type TestFaucet struct {
-	t          testing.TB
-	bankKeeper bankkeeper.Keeper
-	sender     sdk.AccAddress
-	balance    sdk.Coins
+	t                testing.TB
+	bankKeeper       bankkeeper.Keeper
+	sender           sdk.AccAddress
+	balance          sdk.Coins
+	minterModuleName string
 }
 
-func NewTestFaucet(t testing.TB, ctx sdk.Context, bankKeeper bankkeeper.Keeper, initialAmount ...sdk.Coin) *TestFaucet {
+func NewTestFaucet(t testing.TB, ctx sdk.Context, bankKeeper bankkeeper.Keeper, minterModuleName string, initialAmount ...sdk.Coin) *TestFaucet {
 	require.NotEmpty(t, initialAmount)
-	r := &TestFaucet{t: t, bankKeeper: bankKeeper}
+	r := &TestFaucet{t: t, bankKeeper: bankKeeper, minterModuleName: minterModuleName}
 	_, _, addr := keyPubAddr()
 	r.sender = addr
 	r.Mint(ctx, addr, initialAmount...)
@@ -140,9 +141,9 @@ func NewTestFaucet(t testing.TB, ctx sdk.Context, bankKeeper bankkeeper.Keeper,
 func (f *TestFaucet) Mint(parentCtx sdk.Context, addr sdk.AccAddress, amounts ...sdk.Coin) {
 	require.NotEmpty(f.t, amounts)
 	ctx := parentCtx.WithEventManager(sdk.NewEventManager()) // discard all faucet related events
-	err := f.bankKeeper.MintCoins(ctx, minttypes.ModuleName, amounts)
+	err := f.bankKeeper.MintCoins(ctx, f.minterModuleName, amounts)
 	require.NoError(f.t, err)
-	err = f.bankKeeper.SendCoinsFromModuleToAccount(ctx, minttypes.ModuleName, addr, amounts)
+	err = f.bankKeeper.SendCoinsFromModuleToAccount(ctx, f.minterModuleName, addr, amounts)
 	require.NoError(f.t, err)
 	f.balance = f.balance.Add(amounts...)
 }
@@ -323,7 +324,7 @@ func createTestInput(
 		nil,
 	)
 
-	faucet := NewTestFaucet(t, ctx, bankKeeper, sdk.NewCoin("stake", sdk.NewInt(100_000_000_000)))
+	faucet := NewTestFaucet(t, ctx, bankKeeper, minttypes.ModuleName, sdk.NewCoin("stake", sdk.NewInt(100_000_000_000)))
 
 	// set some funds ot pay out validatores, based on code from:
 	// https://github.com/cosmos/cosmos-sdk/blob/fea231556aee4d549d7551a6190389c4328194eb/x/distribution/keeper/keeper_test.go#L50-L57
@@ -692,7 +693,7 @@ func (m BurnerExampleInitMsg) GetBytes(t testing.TB) []byte {
 func fundAccounts(t testing.TB, ctx sdk.Context, am authkeeper.AccountKeeper, bank bankkeeper.Keeper, addr sdk.AccAddress, coins sdk.Coins) {
 	acc := am.NewAccountWithAddress(ctx, addr)
 	am.SetAccount(ctx, acc)
-	NewTestFaucet(t, ctx, bank, coins...).Fund(ctx, addr, coins...)
+	NewTestFaucet(t, ctx, bank, minttypes.ModuleName, coins...).Fund(ctx, addr, coins...)
 }
 
 var keyCounter uint64