The remarks come after negotiations were extended through Friday, July 10.
The vote affirms a new National Park Service policy.
Democrats accused Republicans of slow-walking the process.
The senators said "no one wins" if Congress can't reach an agreement.
She will sit down next week with the Congressional Black Caucus, among others.
Sen. Lamar Alexander said he expects "robust discussion and debate."
But McConnell says that Republicans have the Senate working again.
The House passed legislation to facilitate U.S. weapons transfers to Jordan.
The legislation would make it easier for low-income families to use solar energy.
Lawmakers return to Washington Tuesday.