Simply replace the unfilled areas such as "[]" and "[date]" with your information.
Dear [Name],
Thank you for your recent application for employment with [the company].
An interview has been scheduled for you on [time], with [name], [title]. [Name]'s office is located at [address].
A test will be administered to you immediately following your interview, which will take approximately [amount of time].
If you are unable to keep this appointment or if you have any questions, please call me at [phone].
Sincerely,