Add test directive to include other files used by a test in its compiled output directory.

tests/standalone/io/file_invalid_arguments_test.dart

Index: tests/standalone/io/file_invalid_arguments_test.dart
diff --git a/tests/standalone/io/file_invalid_arguments_test.dart b/tests/standalone/io/file_invalid_arguments_test.dart
index 335e5748754f43d6a6b37f5286d6c942b5207a1d..db15b775698973428dfa9c72c0b895b8975b8497 100644
--- a/tests/standalone/io/file_invalid_arguments_test.dart
+++ b/tests/standalone/io/file_invalid_arguments_test.dart
@@ -2,6 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+// OtherResources=fixed_length_file
+
 import "dart:async";
 import "dart:io";
 
@@ -9,7 +11,7 @@ import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
 
 void testReadInvalidArgs(arg) {
-  String filename = getFilename("tests/vm/data/fixed_length_file");
+  String filename = getFilename("fixed_length_file");
   var file = (new File(filename)).openSync();
   Expect.throws(() => file.readSync(arg),
                 (e) => e is ArgumentError);
@@ -20,7 +22,7 @@ void testReadInvalidArgs(arg) {
 }
 
 void testReadIntoInvalidArgs(buffer, start, end) {
-  String filename = getFilename("tests/vm/data/fixed_length_file");
+  String filename = getFilename("fixed_length_file");
   var file = (new File(filename)).openSync();
   Expect.throws(() => file.readIntoSync(buffer, start, end),
                 (e) => e is ArgumentError);
@@ -31,7 +33,7 @@ void testReadIntoInvalidArgs(buffer, start, end) {
 }
 
 void testWriteByteInvalidArgs(value) {
-  String filename = getFilename("tests/vm/data/fixed_length_file");
+  String filename = getFilename("fixed_length_file");
   var file = (new File("${filename}_out")).openSync(mode: FileMode.WRITE);
   Expect.throws(() => file.writeByteSync(value),
                 (e) => e is ArgumentError);
@@ -42,7 +44,7 @@ void testWriteByteInvalidArgs(value) {
 }
 
 void testWriteFromInvalidArgs(buffer, start, end) {
-  String filename = getFilename("tests/vm/data/fixed_length_file");
+  String filename = getFilename("fixed_length_file");
   var file = (new File("${filename}_out")).openSync(mode: FileMode.WRITE);
   Expect.throws(() => file.writeFromSync(buffer, start, end),
                 (e) => e is ArgumentError);
@@ -53,7 +55,7 @@ void testWriteFromInvalidArgs(buffer, start, end) {
 }
 
 void testWriteStringInvalidArgs(string, encoding) {
-  String filename = getFilename("tests/vm/data/fixed_length_file");
+  String filename = getFilename("fixed_length_file");
   var file = new File("${filename}_out").openSync(mode: FileMode.WRITE);
   Expect.throws(() => file.writeStringSync(string, encoding: encoding),
                 (e) => e is ArgumentError);
@@ -99,10 +101,7 @@ void testFileSystemEntity() {
 }
 
 String getFilename(String path) {
-  var testPath = Platform.script.resolve('../../../$path');
-  return new File.fromUri(testPath).existsSync()
-      ? testPath.toFilePath()
-      : Platform.script.resolve('../../../runtime/$path').toFilePath();
+  return Platform.script.resolve(path).toFilePath();
 }
 
 main() {