Strip more unused features.

test/test_support.ts

Index: test/test_support.ts
diff --git a/test/test_support.ts b/test/test_support.ts
index 0028161768a2d37adad30c16f70bbea5b6bb551e..83a70fb8c43920464879a8e4efa86d474cdc3a1a 100644
--- a/test/test_support.ts
+++ b/test/test_support.ts
@@ -13,11 +13,6 @@ export type Input = string | StringMap;
 
 export function expectTranslate(tsCode: Input, options: main.TranspilerOptions = {}) {
   let result = translateSource(tsCode, options);
-  // The Dart formatter is aggressive at terminating statements with \n
-  // which clutters the expectation output without providing value.
-  if (result[result.length - 1] === '\n') {
-    result = result.slice(0, -1);
-  }
   return chai.expect(result);
 }
 
@@ -69,7 +64,7 @@ export function parseFiles(nameToContent: StringMap): ts.Program {
   return program;
 }
 
-export const FAKE_MAIN = 'angular2/some/main.ts';
+export const FAKE_MAIN = 'demo/some/main.ts';
 
 export function translateSources(contents: Input, options: main.TranspilerOptions = {}): StringMap {
   // Default to quick stack traces.
@@ -87,9 +82,14 @@ export function translateSources(contents: Input, options: main.TranspilerOption
   return transpiler.translateProgram(program);
 }
 
-
 export function translateSource(contents: Input, options: main.TranspilerOptions = {}): string {
+  options.useHtml = true;
+
   let results = translateSources(contents, options);
   // Return the main outcome, from 'main.ts'.
-  return results[FAKE_MAIN];
+  let result = results[FAKE_MAIN];
+  // strip out the package:js import as it clutters the output.
+  result = result.replace(/import "package:js\/js.dart";\s+/g, '');
+  result = result.replace(/^@JS\(\)\s+library [^;]+;\s+/g, '');
+  return result.trim();
 }