feat(Row): add wrap prop (#8393)

src/row/test/index.spec.ts

@@ -0,0 +1,11 @@
+import { Row } from '..';
+import { mount } from '../../../test';
+
+test('should add "van-row--nowrap" class when wrap prop is false', () => {
+  const wrapper = mount(Row, {
+    props: {
+      wrap: false,
+    },
+  });
+  expect(wrapper.classes()).toContain('van-row--nowrap');
+});