ContextInfo one = createContext("one");
ContextInfo two = createContext("two");
ContextInfo three = createContext("three");
structure.addContext(one);
structure.addContext(two);
structure.addContext(three);
assertEquals(getExpected(one, two, three), structure.getContexts());
assertEquals(one, structure.getContext("one"));
assertEquals(two, structure.getContext("two"));
assertEquals(three, structure.getContext("three"));