Remove deprecation warnings:

update invoker properties

Author: cstamas

src/it/gav-validation/invoker.properties

@@ -18,5 +18,5 @@
 invoker.goals = org.apache.maven.plugins:maven-install-plugin:${project.version}:install-file
 invoker.buildResult = failure
 
-invoker.systemPropertiesFile.1 = test-invalid.properties
-invoker.systemPropertiesFile.2 = test-missing.properties
+invoker.userPropertiesFile.1 = test-invalid.properties
+invoker.userPropertiesFile.2 = test-missing.properties