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gaaclarke b5ce70a760
Migrate Color.toString() test, improves equalsIgnoringHashCodes (#154934) 
This migrates the last failing test for https://github.com/flutter/engine/pull/54981.  In order to effectively resolve that test I had to make `equalsIgnoringHashCodes` more usable by printing out the line that differs instead of just a huge blob of "expected" vs "actual.

## example
Here's the output after the change.

### test
```
  test('equalsIgnoringHashCodes - wrong line', () {
    expect(
      '1\n2\n3\n4\n5\n6\n7\n8\n9\n10',
      equalsIgnoringHashCodes('1\n2\n3\n4\n5\n6\na\n8\n9\n10'),
    );
  });
```
### output
```
Expected: normalized value matches
          '1\n'
            '2\n'
            '3\n'
            '4\n'
            '5\n'
            '6\n'
            'a\n'
            '8\n'
            '9\n'
            '10'
  Actual: '1\n'
            '2\n'
            '3\n'
            '4\n'
            '5\n'
            '6\n'
            '7\n'
            '8\n'
            '9\n'
            '10'
   Which: Lines 7 differed, expected: 
          'a'
          but got
          '7'
```
2024-09-11 17:34:58 +00:00
..
fix_data Update flutter.dev links from misc packages to more permanent destinations (#150532) 2024-06-20 23:09:08 +00:00
src Migrate Color.toString() test, improves equalsIgnoringHashCodes (#154934) 2024-09-11 17:34:58 +00:00
flutter_test.dart docImports for flutter_test (#151189) 2024-07-02 23:05:52 +00:00