...
Now you have successfully installed Maven support into Netbeans.
Turning off tests
If you want to build lcsim.org without running the tests, you can do so by selecting the project in the netbeans project tree, right clicking to get the popup menu and then select "Properties". Then choose "Goal to IDE Action Mappings" and add -Dmaven.test.skip=true to the build goal. This is how I have my settings: