### Question:
ListBoxFieldProvider extends SelectorFieldProvider<ListBoxBaseDefinition> { @Override public ListBoxBaseDefinition getDefaultField() { return new StringListBoxFieldDefinition(); }  @Override Class<ListBoxFieldType> getFieldType(); @Override String getFieldTypeName(); @Override int getPriority(); @Override ListBoxBaseDefinition getDefaultField(); @Override ListBoxBaseDefinition createFieldByType(TypeInfo typeInfo); @Override boolean supports(Class clazz); @Override boolean isSupported(TypeInfo typeInfo);  }### Answer:
@Test public void testGetDefaultField() { ListBoxBaseDefinition fieldDef = provider.getDefaultField(); assertEquals(StringListBoxFieldDefinition.class, fieldDef.getClass()); }