fix LINUX_PPC64LE_RPM download link

Author: wanglinsong

.gitignore

@@ -7,6 +7,7 @@ pom.xml.versionsBackup
 test-output/
 /atlassian-ide-plugin.xml
 .idea
+.vscode
 .*.swp
 .*.swo
 dist/

testing-mysql-server-5/repack-mysql-5.sh

@@ -4,7 +4,7 @@ set -eu
 
 VERSION=5.7.22
 BASEURL="https://dev.mysql.com/get/Downloads/MySQL-5.7"
-PPC64LE_BASEURL="http://yum.mariadb.org/10.2/centos/7/ppc64le/rpms/"
+PPC64LE_BASEURL="http://archive.mariadb.org/mariadb-10.2.36/yum/centos/7/ppc64le/rpms"
 
 LINUX_BASE=mysql-$VERSION-linux-glibc2.12-x86_64
 LINUX_PPC64LE_RPM=MariaDB-server-10.2.36-1.el7.centos.ppc64le.rpm

testing-mysql-server-5/src/main/java/com/facebook/presto/testing/mysql/EmbeddedMySql5.java

@@ -73,6 +73,7 @@ public List<String> getStartArguments()
         else {
             return iList
                 .add(
+                    "--user=root",
                     "--skip-ssl",
                     "--disable-partition-engine-check",
                     "--explicit_defaults_for_timestamp",