Map properties = file.getProperties();
assertEquals("Properties issue", 3, properties.size());
assertEquals("Properties issue", "value1", properties.get("name1"));
assertEquals("Properties issue", "value2", properties.get("name2"));
assertEquals("Properties issue", "value3", properties.get("name3"));
file.addProperty("name4", "value4");
file.removeProperty("name3");
fileManager.persistUpdate(interactId, file);
fileManager.endInteraction(interactId);
interactId = fileManager.startInteraction();