Revert a test back to

Author: MarkDuckworth

packages/firestore/test/integration/api/type.test.ts

@@ -96,7 +96,7 @@ apiDescribe('Firestore', (persistence: boolean) => {
       const validateSnapshots = !persistence;
       await expectRoundtrip(
         db,
-        { a: 1, b: NaN, c: Infinity, d: persistence ? 0.0 : 0.0 },
+        { a: 1, b: NaN, c: Infinity, d: persistence ? 0.0 : -0.0 },
         validateSnapshots
       );
     });