Merge Sharding tests in Go migrated from Python

.github/workflows/cluster_endtoend.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        name: [11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
+        name: [11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22]
 
     steps:
     - name: Set up Go

go/test/endtoend/sharding/base_sharding.go

@@ -183,16 +183,16 @@ func CheckBinlogPlayerVars(t *testing.T, vttablet cluster.Vttablet, sourceShards
 	replicationSourceObj := reflect.ValueOf(tabletVars["VReplicationSource"])
 	replicationSourceValue := []string{}
 
-	assert.Equal(t,
-		fmt.Sprintf("%v", replicationSourceObj.MapKeys()),
-		fmt.Sprintf("%v", reflect.ValueOf(tabletVars["VReplicationSourceTablet"]).MapKeys()))
+	assert.Equal(t, len(replicationSourceObj.MapKeys()), len(reflect.ValueOf(tabletVars["VReplicationSourceTablet"]).MapKeys()))
 
 	for _, key := range replicationSourceObj.MapKeys() {
 		replicationSourceValue = append(replicationSourceValue,
 			fmt.Sprintf("%v", replicationSourceObj.MapIndex(key)))
 	}
 
-	assert.True(t, reflect.DeepEqual(replicationSourceValue, sourceShards))
+	for _, shard := range sourceShards {
+		assert.Containsf(t, replicationSourceValue, shard, "Source shard is not matched with vReplication shard value")
+	}
 
 	if secondBehindMaster != 0 {
 		secondBehindMaserMaxStr := fmt.Sprintf("%v", reflect.ValueOf(tabletVars["VReplicationSecondsBehindMasterMax"]))

go/test/endtoend/sharding/mergesharding/int/mergesharding_int_test.go

@@ -0,0 +1,29 @@
+/*
+Copyright 2019 The Vitess Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v3
+
+import (
+	"testing"
+
+	sharding "vitess.io/vitess/go/test/endtoend/sharding/mergesharding"
+)
+
+// TestMergeShardingIntShardingKey - tests merge sharding using a INT column
+func TestMergeShardingIntShardingKey(t *testing.T) {
+	sharding.TestMergesharding(t, false /* useVarbinaryShardingKeyType */)
+
+}