Upgrade testng 7.1.0

Author: slandelle

pom.xml

@@ -460,7 +460,7 @@
     <rxjava.version>1.3.8</rxjava.version>
     <rxjava2.version>2.2.18</rxjava2.version>
     <logback.version>1.2.3</logback.version>
-    <testng.version>6.13.1</testng.version>
+    <testng.version>7.1.0</testng.version>
     <jetty.version>9.4.18.v20190429</jetty.version>
     <tomcat.version>9.0.26</tomcat.version>
     <commons-io.version>2.6</commons-io.version>