Fix iso tests

Author: colinhacks

packages/zod/src/v4/classic/tests/string.test.ts

@@ -790,7 +790,7 @@ test("datetime parsing", () => {
   datetimeOffset.parse("2020-10-14T17:42:29+00:00");
   datetimeOffset.parse("2020-10-14T17:42:29+03:15");
   datetimeOffset.parse("2020-10-14T17:42:29+0315");
-  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+03"));
+  datetimeOffset.parse("2020-10-14T17:42:29+03");
   expect(() => datetimeOffset.parse("tuna")).toThrow();
   expect(() => datetimeOffset.parse("2022-10-13T09:52:31.Z")).toThrow();
 
@@ -799,7 +799,7 @@ test("datetime parsing", () => {
   datetimeOffsetNoMs.parse("2022-10-13T09:52:31Z");
   datetimeOffsetNoMs.parse("2020-10-14T17:42:29+00:00");
   datetimeOffsetNoMs.parse("2020-10-14T17:42:29+0000");
-  expect(() => datetimeOffsetNoMs.parse("2020-10-14T17:42:29+00")).toThrow();
+  datetimeOffsetNoMs.parse("2020-10-14T17:42:29+00");
   expect(() => datetimeOffsetNoMs.parse("tuna")).toThrow();
   expect(() => datetimeOffsetNoMs.parse("1970-01-01T00:00:00.000Z")).toThrow();
   expect(() => datetimeOffsetNoMs.parse("1970-01-01T00:00:00.Z")).toThrow();
@@ -810,7 +810,7 @@ test("datetime parsing", () => {
   datetimeOffset4Ms.parse("1970-01-01T00:00:00.1234Z");
   datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+00:00");
   datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+0000");
-  expect(() => datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+00")).toThrow();
+  datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+00");
   expect(() => datetimeOffset4Ms.parse("tuna")).toThrow();
   expect(() => datetimeOffset4Ms.parse("1970-01-01T00:00:00.123Z")).toThrow();
   expect(() => datetimeOffset4Ms.parse("2020-10-14T17:42:29.124+00:00")).toThrow();