HyukjinKwon commented on a change in pull request #32631:
URL: https://github.com/apache/spark/pull/32631#discussion_r640580266



##########
File path: 
external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/DockerIntegrationFunSuite.scala
##########
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.spark.sql.jdbc
+
+import org.scalactic.source.Position
+import org.scalatest.Tag
+
+import org.apache.spark.SparkFunSuite
+
+/**
+ * Helper class that runs docker integration tests.
+ * Ignores them based on env variable is set or not.
+ */
+trait DockerIntegrationFunSuite extends SparkFunSuite {
+  private val envVarNameForEnablingTests = "ENABLE_DOCKER_INTEGRATION_TESTS"
+  private val shouldRunTests = sys.env.getOrElse(envVarNameForEnablingTests, 
"0") match {
+    case "1" => true
+    case _ => false
+  }
+
+  /** Run the test if environment variable is set or ignore the test */
+  override def test(testName: String, testTags: Tag*)(testBody: => Any)
+    (implicit pos: Position): Unit = {
+    if (shouldRunTests) {
+      super.test(testName)(testBody)

Review comment:
       nit but maybe:
   ```suggestion
         super.test(testName, testTags: _*)(testBody)
   ```




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