Function navigate

test/browser/column/colSpan.test.ts:197–201

(count: number, shift = false)

    testScrollIntoView(); // should only bring 1 cell into view

    async function navigate(count: number, shift = false) {
      for (let i = 0; i < count; i++) {
        await userEvent.tab({ shift });
      }
    }
  });
});