Remove redundant canvas helper

js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoCanvasExamplesTest.java

@@ -16,14 +16,10 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import closurecompiler.internal.com.google.common.collect.Lists;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.k2js.test.SingleFileTranslationTest;
 import org.mozilla.javascript.EcmaError;
 
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  * @author Pavel Talanov
  */
@@ -33,8 +29,6 @@ import java.util.List;
 * */
 public final class WebDemoCanvasExamplesTest extends SingleFileTranslationTest {
 
-    private static final String CANVAS_HELPER = pathToTestFilesRoot() + "canvas_helper.js";
-
     public WebDemoCanvasExamplesTest() {
         super("webDemoCanvasExamples/");
     }
@@ -68,11 +62,4 @@ public final class WebDemoCanvasExamplesTest extends SingleFileTranslationTest {
                        e.getMessage().startsWith(expectedErrorMessage));
         }
     }
-
-    @Override
-    protected List<String> additionalJSFiles() {
-        ArrayList<String> result = Lists.newArrayList(super.additionalJSFiles());
-        result.add(CANVAS_HELPER);
-        return result;
-    }
 }