diff --git a/modules/apps/27-interchain-accounts/controller/keeper/grpc_query_test.go b/modules/apps/27-interchain-accounts/controller/keeper/grpc_query_test.go
index cc2002a2540..e5d73cfe5c6 100644
--- a/modules/apps/27-interchain-accounts/controller/keeper/grpc_query_test.go
+++ b/modules/apps/27-interchain-accounts/controller/keeper/grpc_query_test.go
@@ -36,7 +36,7 @@ func (suite *KeeperTestSuite) TestQueryInterchainAccount() {
 		{
 			"invalid connection, account address not found",
 			func() {
-				req.ConnectionId = "invalid-connection-id"
+				req.ConnectionId = ibctesting.InvalidID
 			},
 			"failed to retrieve account address",
 		},
diff --git a/modules/apps/27-interchain-accounts/controller/keeper/handshake_test.go b/modules/apps/27-interchain-accounts/controller/keeper/handshake_test.go
index 0f3a291ffdf..e841feba14e 100644
--- a/modules/apps/27-interchain-accounts/controller/keeper/handshake_test.go
+++ b/modules/apps/27-interchain-accounts/controller/keeper/handshake_test.go
@@ -170,7 +170,7 @@ func (suite *KeeperTestSuite) TestOnChanOpenInit() {
 			{
 				"connection not found",
 				func() {
-					channel.ConnectionHops = []string{"invalid-connection-id"}
+					channel.ConnectionHops = []string{ibctesting.InvalidID}
 					path.EndpointA.SetChannel(*channel)
 				},
 				connectiontypes.ErrConnectionNotFound,
@@ -186,7 +186,7 @@ func (suite *KeeperTestSuite) TestOnChanOpenInit() {
 			{
 				"invalid controller connection ID",
 				func() {
-					metadata.ControllerConnectionId = "invalid-connection-id"
+					metadata.ControllerConnectionId = ibctesting.InvalidID
 
 					versionBytes, err := icatypes.ModuleCdc.MarshalJSON(&metadata)
 					suite.Require().NoError(err)
@@ -199,7 +199,7 @@ func (suite *KeeperTestSuite) TestOnChanOpenInit() {
 			{
 				"invalid host connection ID",
 				func() {
-					metadata.HostConnectionId = "invalid-connection-id"
+					metadata.HostConnectionId = ibctesting.InvalidID
 
 					versionBytes, err := icatypes.ModuleCdc.MarshalJSON(&metadata)
 					suite.Require().NoError(err)
diff --git a/modules/apps/27-interchain-accounts/host/keeper/handshake_test.go b/modules/apps/27-interchain-accounts/host/keeper/handshake_test.go
index db00f4decde..7fea0c075f3 100644
--- a/modules/apps/27-interchain-accounts/host/keeper/handshake_test.go
+++ b/modules/apps/27-interchain-accounts/host/keeper/handshake_test.go
@@ -188,7 +188,7 @@ func (suite *KeeperTestSuite) TestOnChanOpenTry() {
 			{
 				"connection not found",
 				func() {
-					channel.ConnectionHops = []string{"invalid-connection-id"}
+					channel.ConnectionHops = []string{ibctesting.InvalidID}
 					path.EndpointB.SetChannel(*channel)
 				},
 				connectiontypes.ErrConnectionNotFound,
@@ -220,7 +220,7 @@ func (suite *KeeperTestSuite) TestOnChanOpenTry() {
 			{
 				"invalid controller connection ID",
 				func() {
-					metadata.ControllerConnectionId = "invalid-connection-id"
+					metadata.ControllerConnectionId = ibctesting.InvalidID
 
 					versionBytes, err := icatypes.ModuleCdc.MarshalJSON(&metadata)
 					suite.Require().NoError(err)
diff --git a/modules/apps/transfer/ibc_module_test.go b/modules/apps/transfer/ibc_module_test.go
index 6ff8ab21fee..47cbc1ac554 100644
--- a/modules/apps/transfer/ibc_module_test.go
+++ b/modules/apps/transfer/ibc_module_test.go
@@ -41,7 +41,7 @@ func (suite *TransferTestSuite) TestOnChanOpenInit() {
 			// connection hops is not used in the transfer application callback,
 			// it is already validated in the core OnChanUpgradeInit.
 			"success: invalid connection hops", func() {
-				path.EndpointA.ConnectionID = "invalid-connection-id"
+				path.EndpointA.ConnectionID = ibctesting.InvalidID
 			}, nil, types.V2,
 		},
 		{