@Test
public void testPerspectivesAvailable() {

    when(pluginControllerM.canRead(any())).thenReturn(true);
    perspectivesExplorer.show();
    InOrder inOrder = inOrder(viewM);
    inOrder.verify(viewM).clear();
    inOrder.verify(viewM).addPerspective(eq("a"), any());
    inOrder.verify(viewM).addPerspective(eq("B"), any());
    inOrder.verify(viewM).addPerspective(eq("cEE"), any());
}