diff --git a/internal/configs/sharding/shardingconfig_test.go b/internal/configs/sharding/shardingconfig_test.go
index 29f322e6d..ef02c5c20 100644
--- a/internal/configs/sharding/shardingconfig_test.go
+++ b/internal/configs/sharding/shardingconfig_test.go
@@ -1,6 +1,7 @@
 package shardingconfig
 
 import (
+	"fmt"
 	"math/big"
 	"testing"
 )
@@ -86,3 +87,26 @@ func TestCalcEpochNumber(t *testing.T) {
 		}
 	}
 }
+
+func TestGetShardingStructure(t *testing.T) {
+	shardID := 0
+	numShard := 4
+	res := genShardingStructure(numShard, shardID, "http://s%d.t.hmy.io:9500", "ws://s%d.t.hmy.io:9800")
+	if len(res) != 4 || !res[0]["current"].(bool) || res[1]["current"].(bool) || res[2]["current"].(bool) || res[3]["current"].(bool) {
+		t.Error("Error when generating sharding structure")
+	}
+	for i := 0; i < numShard; i++ {
+		if res[i]["current"].(bool) != (i == shardID) {
+			t.Error("Error when generating sharding structure")
+		}
+		if res[i]["shardID"].(int) != i {
+			t.Error("Error when generating sharding structure")
+		}
+		if res[i]["http"].(string) != fmt.Sprintf("http://s%d.t.hmy.io:9500", i) {
+			t.Error("Error when generating sharding structure")
+		}
+		if res[i]["ws"].(string) != fmt.Sprintf("ws://s%d.t.hmy.io:9800", i) {
+			t.Error("Error when generating sharding structure")
+		}
+	}
+}
diff --git a/internal/hmyapi/blockchain_test.go b/internal/hmyapi/blockchain_test.go
deleted file mode 100644
index 330ad502c..000000000
--- a/internal/hmyapi/blockchain_test.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package hmyapi
-
-import (
-	"fmt"
-	"testing"
-)
-
-func TestGetShardingStructure(t *testing.T) {
-	shardID := 0
-	numShard := 4
-	res := GenShardingStructure(uint32(numShard), uint32(shardID), "http://s%d.t.hmy.io:9500", "ws://s%d.t.hmy.io:9800")
-	if len(res) != 4 || !res[0]["current"].(bool) || res[1]["current"].(bool) || res[2]["current"].(bool) || res[3]["current"].(bool) {
-		t.Error("Error when generating sharding structure")
-	}
-	for i := 0; i < numShard; i++ {
-		if res[i]["current"].(bool) != (i == shardID) {
-			t.Error("Error when generating sharding structure")
-		}
-		if res[i]["shardID"].(int) != i {
-			t.Error("Error when generating sharding structure")
-		}
-		if res[i]["http"].(string) != fmt.Sprintf("http://s%d.t.hmy.io:9500", i) {
-			t.Error("Error when generating sharding structure")
-		}
-		if res[i]["ws"].(string) != fmt.Sprintf("ws://s%d.t.hmy.io:9800", i) {
-			t.Error("Error when generating sharding structure")
-		}
-	}
-}