diff --git a/dialout/dialout_client/dialout_client_test.go b/dialout/dialout_client/dialout_client_test.go
index 22c857b57..385d634ca 100644
--- a/dialout/dialout_client/dialout_client_test.go
+++ b/dialout/dialout_client/dialout_client_test.go
@@ -188,7 +188,7 @@ func prepareDb(t *testing.T) {
 	mpi_name_map := loadConfig(t, "COUNTERS_PORT_NAME_MAP", countersPortNameMapByte)
 	loadDB(t, rclient, mpi_name_map)
 
-	fileName = "../../testdata/COUNTERS:Ethernet68.txt"
+	fileName = "../../testdata/COUNTERS_Ethernet68.txt"
 	countersEthernet68Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -197,7 +197,7 @@ func prepareDb(t *testing.T) {
 	mpi_counter := loadConfig(t, "COUNTERS:oid:0x1000000000039", countersEthernet68Byte)
 	loadDB(t, rclient, mpi_counter)
 
-	fileName = "../../testdata/COUNTERS:Ethernet1.txt"
+	fileName = "../../testdata/COUNTERS_Ethernet1.txt"
 	countersEthernet1Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -207,7 +207,7 @@ func prepareDb(t *testing.T) {
 	loadDB(t, rclient, mpi_counter)
 
 	// "Ethernet64:0": "oid:0x1500000000092a"  : queue counter, to work as data noise
-	fileName = "../../testdata/COUNTERS:oid:0x1500000000092a.txt"
+	fileName = "../../testdata/COUNTERS_oid_0x1500000000092a.txt"
 	counters92aByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -312,14 +312,14 @@ func TestGNMIDialOutPublish(t *testing.T) {
 	}
 	_ = countersPortNameMapByte
 
-	fileName = "../../testdata/COUNTERS:Ethernet68.txt"
+	fileName = "../../testdata/COUNTERS_Ethernet68.txt"
 	countersEthernet68Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
 	}
 	_ = countersEthernet68Byte
 
-	fileName = "../../testdata/COUNTERS:Ethernet_wildcard_alias.txt"
+	fileName = "../../testdata/COUNTERS_Ethernet_wildcard_alias.txt"
 	countersEthernetWildcardByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -327,7 +327,7 @@ func TestGNMIDialOutPublish(t *testing.T) {
 
 	_ = countersEthernetWildcardByte
 
-	fileName = "../../testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX_alias.txt"
+	fileName = "../../testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX_alias.txt"
 	countersEthernetWildcardPfcByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
diff --git a/gnmi_server/server_test.go b/gnmi_server/server_test.go
index 8858a2efc..079f4e924 100644
--- a/gnmi_server/server_test.go
+++ b/gnmi_server/server_test.go
@@ -242,7 +242,7 @@ func prepareDb(t *testing.T) {
 	mpi_qname_map := loadConfig(t, "COUNTERS_QUEUE_NAME_MAP", countersQueueNameMapByte)
 	loadDB(t, rclient, mpi_qname_map)
 
-	fileName = "../testdata/COUNTERS:Ethernet68.txt"
+	fileName = "../testdata/COUNTERS_Ethernet68.txt"
 	countersEthernet68Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -251,7 +251,7 @@ func prepareDb(t *testing.T) {
 	mpi_counter := loadConfig(t, "COUNTERS:oid:0x1000000000039", countersEthernet68Byte)
 	loadDB(t, rclient, mpi_counter)
 
-	fileName = "../testdata/COUNTERS:Ethernet1.txt"
+	fileName = "../testdata/COUNTERS_Ethernet1.txt"
 	countersEthernet1Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -261,7 +261,7 @@ func prepareDb(t *testing.T) {
 	loadDB(t, rclient, mpi_counter)
 
 	// "Ethernet64:0": "oid:0x1500000000092a"  : queue counter, to work as data noise
-	fileName = "../testdata/COUNTERS:oid:0x1500000000092a.txt"
+	fileName = "../testdata/COUNTERS_oid_0x1500000000092a.txt"
 	counters92aByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -270,7 +270,7 @@ func prepareDb(t *testing.T) {
 	loadDB(t, rclient, mpi_counter)
 
 	// "Ethernet68:1": "oid:0x1500000000091c"  : queue counter, for COUNTERS/Ethernet68/Queue vpath test
-	fileName = "../testdata/COUNTERS:oid:0x1500000000091c.txt"
+	fileName = "../testdata/COUNTERS_oid_0x1500000000091c.txt"
 	countersEeth68_1Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -311,19 +311,19 @@ func TestGnmiGet(t *testing.T) {
 		t.Fatalf("read file %v err: %v", fileName, err)
 	}
 
-	fileName = "../testdata/COUNTERS:Ethernet68.txt"
+	fileName = "../testdata/COUNTERS_Ethernet68.txt"
 	countersEthernet68Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
 	}
 
-	fileName = "../testdata/COUNTERS:Ethernet_wildcard_alias.txt"
+	fileName = "../testdata/COUNTERS_Ethernet_wildcard_alias.txt"
 	countersEthernetWildcardByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
 	}
 
-	fileName = "../testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX_alias.txt"
+	fileName = "../testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX_alias.txt"
 	countersEthernetWildcardPfcByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -457,7 +457,7 @@ func runTestSubscribe(t *testing.T) {
 	countersPortNameMapJsonUpdate["test_field"] = "test_value"
 
 	// for table key subscription
-	fileName = "../testdata/COUNTERS:Ethernet68.txt"
+	fileName = "../testdata/COUNTERS_Ethernet68.txt"
 	countersEthernet68Byte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -476,7 +476,7 @@ func runTestSubscribe(t *testing.T) {
 	// field SAI_PORT_STAT_PFC_7_RX_PKTS has new value of 4
 	countersEthernet68JsonPfcUpdate["SAI_PORT_STAT_PFC_7_RX_PKTS"] = "4"
 
-	fileName = "../testdata/COUNTERS:Ethernet_wildcard_alias.txt"
+	fileName = "../testdata/COUNTERS_Ethernet_wildcard_alias.txt"
 	countersEthernetWildcardByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -491,7 +491,7 @@ func runTestSubscribe(t *testing.T) {
 	json.Unmarshal(countersEthernetWildcardByte, &countersFieldUpdate)
 	countersFieldUpdate["Ethernet68/1"] = countersEthernet68JsonPfcUpdate
 
-	fileName = "../testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX_alias.txt"
+	fileName = "../testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX_alias.txt"
 	countersEthernetWildcardPfcByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -508,7 +508,7 @@ func runTestSubscribe(t *testing.T) {
 	//allPortPfcJsonUpdate := countersEthernetWildcardPfcJson.(map[string]interface{})
 	allPortPfcJsonUpdate["Ethernet68/1"] = pfc7Map
 
-	fileName = "../testdata/COUNTERS:Ethernet_wildcard_Queues_alias.txt"
+	fileName = "../testdata/COUNTERS_Ethernet_wildcard_Queues_alias.txt"
 	countersEthernetWildQueuesByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -516,7 +516,7 @@ func runTestSubscribe(t *testing.T) {
 	var countersEthernetWildQueuesJson interface{}
 	json.Unmarshal(countersEthernetWildQueuesByte, &countersEthernetWildQueuesJson)
 
-	fileName = "../testdata/COUNTERS:Ethernet68:Queues.txt"
+	fileName = "../testdata/COUNTERS_Ethernet68_Queues.txt"
 	countersEthernet68QueuesByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
@@ -535,7 +535,7 @@ func runTestSubscribe(t *testing.T) {
 	countersEthernet68QueuesJsonUpdate["Ethernet68:1"] = eth68_1
 
 	// Alias translation for query Ethernet68/1:Queues
-	fileName = "../testdata/COUNTERS:Ethernet68:Queues_alias.txt"
+	fileName = "../testdata/COUNTERS_Ethernet68_Queues_alias.txt"
 	countersEthernet68QueuesAliasByte, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		t.Fatalf("read file %v err: %v", fileName, err)
diff --git a/testdata/COUNTERS:Ethernet1.txt b/testdata/COUNTERS_Ethernet1.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet1.txt
rename to testdata/COUNTERS_Ethernet1.txt
diff --git a/testdata/COUNTERS:Ethernet68.txt b/testdata/COUNTERS_Ethernet68.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet68.txt
rename to testdata/COUNTERS_Ethernet68.txt
diff --git a/testdata/COUNTERS:Ethernet68:Queues.txt b/testdata/COUNTERS_Ethernet68_Queues.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet68:Queues.txt
rename to testdata/COUNTERS_Ethernet68_Queues.txt
diff --git a/testdata/COUNTERS:Ethernet68:Queues_alias.txt b/testdata/COUNTERS_Ethernet68_Queues_alias.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet68:Queues_alias.txt
rename to testdata/COUNTERS_Ethernet68_Queues_alias.txt
diff --git a/testdata/COUNTERS:Ethernet_wildcard.txt b/testdata/COUNTERS_Ethernet_wildcard.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet_wildcard.txt
rename to testdata/COUNTERS_Ethernet_wildcard.txt
diff --git a/testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX.txt b/testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX.txt
rename to testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX.txt
diff --git a/testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX_alias.txt b/testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX_alias.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet_wildcard_PFC_7_RX_alias.txt
rename to testdata/COUNTERS_Ethernet_wildcard_PFC_7_RX_alias.txt
diff --git a/testdata/COUNTERS:Ethernet_wildcard_Queues.txt b/testdata/COUNTERS_Ethernet_wildcard_Queues.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet_wildcard_Queues.txt
rename to testdata/COUNTERS_Ethernet_wildcard_Queues.txt
diff --git a/testdata/COUNTERS:Ethernet_wildcard_Queues_alias.txt b/testdata/COUNTERS_Ethernet_wildcard_Queues_alias.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet_wildcard_Queues_alias.txt
rename to testdata/COUNTERS_Ethernet_wildcard_Queues_alias.txt
diff --git a/testdata/COUNTERS:Ethernet_wildcard_alias.txt b/testdata/COUNTERS_Ethernet_wildcard_alias.txt
similarity index 100%
rename from testdata/COUNTERS:Ethernet_wildcard_alias.txt
rename to testdata/COUNTERS_Ethernet_wildcard_alias.txt
diff --git a/testdata/COUNTERS:oid:0x1500000000091c.txt b/testdata/COUNTERS_oid_0x1500000000091c.txt
similarity index 100%
rename from testdata/COUNTERS:oid:0x1500000000091c.txt
rename to testdata/COUNTERS_oid_0x1500000000091c.txt
diff --git a/testdata/COUNTERS:oid:0x1500000000092a.txt b/testdata/COUNTERS_oid_0x1500000000092a.txt
similarity index 100%
rename from testdata/COUNTERS:oid:0x1500000000092a.txt
rename to testdata/COUNTERS_oid_0x1500000000092a.txt