Fixed utility methods.

refs 319

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/DummyTopLevelElement.java

@@ -42,7 +42,6 @@ final class DummyTopLevelElement implements ITopLevelElement {
 	/** Constructor. */
 	public DummyTopLevelElement(EObject root) {
 		Assert.isNotNull(root);
-		Assert.isTrue(root.eResource() == null);
 		this.root = root;
 	}