fix: reduce number of replicas in postgres-ha test (#539)

Author: imrannayer

examples/postgresql-ha/main.tf

@@ -94,34 +94,6 @@ module "pg" {
       user_labels           = { bar = "baz" }
       encryption_key_name   = null
     },
-    {
-      name                  = "1"
-      zone                  = "us-central1-b"
-      availability_type     = "REGIONAL"
-      tier                  = "db-custom-1-3840"
-      ip_configuration      = local.read_replica_ip_configuration
-      database_flags        = [{ name = "autovacuum", value = "off" }]
-      disk_autoresize       = null
-      disk_autoresize_limit = null
-      disk_size             = null
-      disk_type             = "PD_HDD"
-      user_labels           = { bar = "baz" }
-      encryption_key_name   = null
-    },
-    {
-      name                  = "2"
-      zone                  = "us-central1-c"
-      availability_type     = "REGIONAL"
-      tier                  = "db-custom-1-3840"
-      ip_configuration      = local.read_replica_ip_configuration
-      database_flags        = [{ name = "autovacuum", value = "off" }]
-      disk_autoresize       = null
-      disk_autoresize_limit = null
-      disk_size             = null
-      disk_type             = "PD_HDD"
-      user_labels           = { bar = "baz" }
-      encryption_key_name   = null
-    },
   ]
 
   db_name      = var.pg_ha_name

test/integration/postgresql-ha/postgresql_ha_test.go

@@ -32,7 +32,7 @@ func TestPostgreSqlHaModule(t *testing.T) {
 
 		instaceNames := []string{pSql.GetStringOutput("name")}
 		op := gcloud.Run(t, fmt.Sprintf("sql instances describe %s --project %s", instaceNames[0], pSql.GetStringOutput("project_id")))
-		assert.Equal(3, len(op.Get("replicaNames").Array()), "Expected 3 replicas")
+		assert.Equal(1, len(op.Get("replicaNames").Array()), "Expected 1 replicas")
 		instaceNames = append(instaceNames, utils.GetResultStrSlice(op.Get("replicaNames").Array())...)
 
 		for _, instance := range instaceNames {