anchor.diff:          'main.dart': '27f5ebf0f8c559b2af9419d190299a5e',
           'output.snapshot': 'd41d8cd98f00b204e9800998ecf8427e',
         });
  -      await buildSnapshot();
  +      await buildScriptSnapshot();
   
         expect(genSnapshot.callCount, 0);
         expectFingerprintHas(checksums: <String, String>{
  
positive.code:             'other.dart': 'e0c35f083f0ad76b2d87100ec678b516',
              'output.snapshot': 'd41d8cd98f00b204e9800998ecf8427e',
            });
            await buildSnapshot(mainPath: 'other.dart');
  
            expect(genSnapshot.callCount, 1);
            expectFingerprintHas(
  
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);
  