diff --git a/x/cosmostest/keeper/keeper_integration_test.go.bak b/x/cosmostest/keeper/keeper_integration_test.go.bak
new file mode 100644
index 0000000..325c403
--- /dev/null
+++ b/x/cosmostest/keeper/keeper_integration_test.go.bak
@@ -0,0 +1,49 @@
+// Reference file.
+
+package keeper
+
+import (
+	"cosmos-test/x/cosmostest"
+	"cosmos-test/x/cosmostest/types"
+	"testing"
+	"time"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
+	"github.com/stretchr/testify/suite"
+	tendermintTypes "github.com/tendermint/tendermint/proto/tendermint/types"
+)
+
+// Integration Tests Tutorial:
+// https://tutorials.cosmos.network/academy/3-my-own-chain/game-wager.html#integration-tests
+
+// Example integration test suite:
+// https://github.com/cosmos/cosmos-sdk/blob/9e1ec7b/x/bank/keeper/keeper_test.go#L66-L110
+
+type IntegrationTestSuite struct {
+	suite.Suite
+
+	app         cosmostest.AppModule
+	msgServer   types.MsgServer
+	ctx         sdk.Context
+	queryClient types.QueryClient
+}
+
+func (suite *IntegrationTestSuite) SetupTest() {
+	suite.app = cosmostest.AppModule{
+		Keeper: NewKeeper(cdc)
+	}
+	suite.ctx = suite.app.NewContext(false, tendermintTypes.Header{Time: time.Now()})
+	suite.app.AccountKeeper.SetParams(suite.ctx, authtypes.DefaultParams())
+	suite.app.BankKeeper.SetParams(suite.ctx, banktypes.DefaultParams())
+	queryHelper := baseapp.NewQueryServerTestHelper(suite.ctx, suite.app.InterfaceRegistry())
+	types.RegisterQueryServer(queryHelper)
+	suite.queryClient = types.NewQueryClient(queryHelper)
+}
+
+func TestKeeperTestSuite(t *testing.T) {
+	suite.Run(t, new(IntegrationTestSuite))
+}
diff --git a/x/cosmostest/module_test.go.bak b/x/cosmostest/module_test.go.bak
new file mode 100644
index 0000000..e48b470
--- /dev/null
+++ b/x/cosmostest/module_test.go.bak
@@ -0,0 +1,42 @@
+package cosmostest
+
+import (
+	"cosmos-test/x/cosmostest/types"
+	"testing"
+	"time"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
+	"github.com/stretchr/testify/suite"
+	tendermintTypes "github.com/tendermint/tendermint/proto/tendermint/types"
+)
+
+// Integration Tests Tutorial:
+// https://tutorials.cosmos.network/academy/3-my-own-chain/game-wager.html#integration-tests
+
+// Example integration test suite:
+// https://github.com/cosmos/cosmos-sdk/blob/9e1ec7b/x/bank/keeper/keeper_test.go#L66-L110
+
+type IntegrationTestSuite struct {
+	suite.Suite
+
+	app         *AppModule
+	msgServer   types.MsgServer
+	ctx         sdk.Context
+	queryClient types.QueryClient
+}
+
+func (suite *IntegrationTestSuite) SetupTest() {
+	suite.ctx = suite.app.NewContext(false, tendermintTypes.Header{Time: time.Now()})
+	suite.app.AccountKeeper.SetParams(suite.ctx, authtypes.DefaultParams())
+	suite.app.BankKeeper.SetParams(suite.ctx, banktypes.DefaultParams())
+	queryHelper := baseapp.NewQueryServerTestHelper(suite.ctx, suite.app.InterfaceRegistry())
+	types.RegisterQueryServer(queryHelper)
+	suite.queryClient = types.NewQueryClient(queryHelper)
+}
+
+func TestKeeperTestSuite(t *testing.T) {
+	suite.Run(t, new(IntegrationTestSuite))
+}