refactor: remove dependency on simapp from store test (#12716)

## Description

Removes a trivial simapp dependency from `store/`.



---

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- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
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- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
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store/streaming/constructor_test.go

@@ -7,12 +7,13 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	codecTypes "github.com/cosmos/cosmos-sdk/codec/types"
 	serverTypes "github.com/cosmos/cosmos-sdk/server/types"
-	"github.com/cosmos/cosmos-sdk/simapp"
 	"github.com/cosmos/cosmos-sdk/store/streaming"
 	"github.com/cosmos/cosmos-sdk/store/streaming/file"
 	"github.com/cosmos/cosmos-sdk/store/types"
 	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/module/testutil"
+
 	"github.com/tendermint/tendermint/libs/log"
 	dbm "github.com/tendermint/tm-db"
 
@@ -51,7 +52,7 @@ func TestStreamingServiceConstructor(t *testing.T) {
 
 func TestLoadStreamingServices(t *testing.T) {
 	db := dbm.NewMemDB()
-	encCdc := simapp.MakeTestEncodingConfig()
+	encCdc := testutil.MakeTestEncodingConfig()
 	keys := sdk.NewKVStoreKeys("mockKey1", "mockKey2")
 	bApp := baseapp.NewBaseApp("appName", log.NewNopLogger(), db, nil)