[AURON apache#1442] Fix BuildinfoInSparkUISuite.scala failure due to missing /tmp/spark-events/ directory

Author: merrily01

spark-extension-shims-spark/src/test/scala/org/apache/spark/sql/auron/BuildinfoInSparkUISuite.scala

@@ -17,12 +17,18 @@
 package org.apache.spark.sql.auron
 
 import org.apache.spark.sql.execution.ui.AuronSQLAppStatusListener
+import org.apache.spark.util.Utils
 
 class BuildinfoInSparkUISuite
     extends org.apache.spark.sql.QueryTest
     with BuildInfoAuronSQLSuite
     with AuronSQLTestHelper {
 
+  override protected def beforeAll(): Unit = {
+    super.beforeAll()
+    val eventLogDir = Utils.createTempDir("/tmp/spark-events")
+  }
+
   test("test build info in spark UI ") {
     val listeners = spark.sparkContext.listenerBus.findListenersByClass[AuronSQLAppStatusListener]
     assert(listeners.size === 1)