@Override
        public void read(JmeImporter ji) throws IOException {
            InputCapsule capsule = ji.getCapsule(this);

            for (int i = 0; i < testStringArray.length; i++) {
                Assert.assertEquals("readString()", testStringArray[i], capsule.readString("test_string_" + i, null));
            }
        }
Test suite for implementations of the JmeExporter and JmeImporter interfaces.
There are tests here for all write* and read* methods of the OutputCapsule and InputCapsule interfaces respectively.
jme3-plugins/src/test/java/com/jme3/export/InputOutputCapsuleTest.java