fix io_test (#48097)

5ff72254 · Dan Field · Flutter GitHub Bot · 9df1790f · 5ff72254
Commit 5ff72254 authored Jan 03, 2020 by Dan Field Committed by Flutter GitHub Bot Jan 03, 2020
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io_test.dart packages/flutter_tools/test/general.shard/base/io_test.dart +1 -0

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--- a/packages/flutter_tools/test/general.shard/base/io_test.dart
+++ b/packages/flutter_tools/test/general.shard/base/io_test.dart
@@ -77,6 +77,7 @@ void main() {
    setExitFunctionForTests((int value) {});

    expect(() => exit(0), returnsNormally);
+    restoreExitFunction();
  });

  test('test_api defines the Declarer in a known place', () {