HADOOP-13514. Upgrade maven surefire plugin to 2.19.1. Contributed by Ewan Higgs.

hadoop-project/pom.xml

@@ -107,7 +107,7 @@
 
     <!-- Plugin versions and config -->
     <maven-surefire-plugin.argLine>-Xmx2048m -XX:+HeapDumpOnOutOfMemoryError</maven-surefire-plugin.argLine>
-    <maven-surefire-plugin.version>2.17</maven-surefire-plugin.version>
+    <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
     <maven-surefire-report-plugin.version>${maven-surefire-plugin.version}</maven-surefire-report-plugin.version>
     <maven-failsafe-plugin.version>${maven-surefire-plugin.version}</maven-failsafe-plugin.version>