test renaming overhaul: step 4 client tests

tests/dom/svg_2_test.dart

 #library('SVG2Test');
-#import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/dom_config.dart');
+#import('../../lib/unittest/unittest.dart');
+#import('../../lib/unittest/dom_config.dart');
 #import('dart:dom');
 
 // Test that SVG elements explicitly implement the IDL interfaces (is-checks
 // only, see SVGTest3 for behavioural tests).
 
 main() {
 
   insertTestDiv() {
     var element = document.createElement('div');
     element.innerHTML = @'''
@@ skipping 25 matching lines @@
       Expect.isTrue(r is SVGLocatable);
 
       // Interfaces not implemented.
       Expect.isFalse(r is SVGNumber);
       Expect.isFalse(r is SVGRect);
       Expect.isFalse(r is SVGSVGElement);
 
       document.body.removeChild(div);
     });
 }