Bug 166600 [DataBinding] Refactor tests to be in the correct packages
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/core/tests/databinding/observable/RealmTest.java
public void testSetDefaultWithRunnable() throws Exception {
		Realm oldRealm = new CurrentRealm(true);
		final Realm newRealm = new CurrentRealm(true);
		
		RealmTester.setDefault(oldRealm);
		Realm.runWithDefault(newRealm, new Runnable() {
			public void run() {
				assertEquals("new realm should be default", newRealm, Realm.getDefault());
			}
		});
		
		assertEquals("old realm should have been restored", oldRealm, Realm.getDefault());
	}
}