nbcode tests fixed on JDK 11+

Author: thurka

nbcode/integration/nbproject/project.properties

@@ -17,3 +17,6 @@
 
 javac.source=1.8
 javac.compilerargs=-Xlint -Xlint:-serial
+
+test.jms.flags=-ea --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.lang.ref=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-opens=java.desktop/javax.swing=ALL-UNNAMED --add-opens=java.desktop/javax.swing.text=ALL-UNNAMED
+