private MicroProfileApplication<?> autoDiscoverMPApp(Class<?> clazz, boolean errorIfNone) {
    // First check for any MicroProfileApplicaiton directly present on the test class
    List<Field> mpApps = AnnotationSupport.findAnnotatedFields(clazz, Container.class,
                                                               f -> Modifier.isStatic(f.getModifiers()) &&
                                                                    Modifier.isPublic(f.getModifiers()) &&
                                                                    MicroProfileApplication.class.isAssignableFrom(f.getType()),
                                                               HierarchyTraversalMode.TOP_DOWN);
    if (mpApps.size() == 1)
        try {
            return (MicroProfileApplication<?>) mpApps.get(0).get(null);
        } catch (IllegalArgumentException | IllegalAccessException e) {
            // This should never happen because we only look for fields that are public+static
            e.printStackTrace();
        }
    if (mpApps.size() > 1)
        throw new ExtensionConfigurationException("Should be no more than 1 public static MicroProfileApplication field on " + clazz);

    // If none found, check any SharedContainerConfig
    String sharedConfigMsg = "";
    if (sharedConfigClass != null) {
        MicroProfileApplication<?> mpApp = autoDiscoverMPApp(sharedConfigClass, false);
        if (mpApp != null)
            return mpApp;
        sharedConfigMsg = " or " + sharedConfigClass;
    }

    if (errorIfNone)
        throw new ExtensionConfigurationException("No public static MicroProfileApplication fields annotated with @Container were located " +
                                                  "on " + clazz + sharedConfigMsg + " to auto-connect with REST-client fields.");
    return null;
}