| Index: tests/standalone/io/process_environment_test.dart
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| diff --git a/tests/standalone/io/process_environment_test.dart b/tests/standalone/io/process_environment_test.dart
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| index 26d5f4b23efa137363aff9dec6daa165dbb5187d..1a2009ee24ea833fbb1da0b9eff3298df6be4675 100644
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| --- a/tests/standalone/io/process_environment_test.dart
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| +++ b/tests/standalone/io/process_environment_test.dart
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| @@ -14,14 +14,10 @@ runEnvironmentProcess(Map environment, name, callback) {
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|    if (!new File(printEnv).existsSync()) {
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|      printEnv = '../$printEnv';
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|    }
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| -  var process = new Process.run(dartExecutable,
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| -                                [printEnv, name],
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| -                                options,
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| -                                (exit, out, err) {
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| -    Expect.equals(0, exit);
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| -    callback(out);
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| +  Process.run(dartExecutable, [printEnv, name], options).then((result) {
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| +    Expect.equals(0, result.exitCode);
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| +    callback(result.stdout);
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|    });
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| -  process.onError = (e) => Expect.fail("Unexpected process start error: '$e'");
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|  }
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|  
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|  testEnvironment() {
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| 
 |