anchor.diff:              'other.dart': 'e0c35f083f0ad76b2d87100ec678b516',
               'output.snapshot': 'd41d8cd98f00b204e9800998ecf8427e',
             });
  -          await buildSnapshot(mainPath: 'other.dart');
  +          await buildScriptSnapshot(mainPath: 'other.dart');
   
             expect(genSnapshot.callCount, 1);
             expectFingerprintHas(
  
positive.code:         'main.dart': '27f5ebf0f8c559b2af9419d190299a5e',
          'output.snapshot': 'd41d8cd98f00b204e9800998ecf8427e',
        });
        await buildSnapshot();
  
        expect(genSnapshot.callCount, 1);
        expectFingerprintHas(checksums: <String, String>{
  
negative.code:       await fs.file('main.dart').writeAsString('void main() {}');
        await fs.file('output.snapshot').create();
        await fs.file('output.snapshot.d').writeAsString('snapshot : main.dart');
        await buildScriptSnapshot();
  
        expect(genSnapshot.callCount, 1);
        expect(genSnapshot.snapshotType.platform, isNull);
  