Place this macro in the workbook containing the Sheet "Test". Then run it each time you want to create and name a new sheet based on Test, starting with "Test 1".
To install the code:
1. With your workbook active press Alt and F11 keys. This will open the VBE window.
2. In the project tree on the left of the VBE window, find your project and click on it.
3. On the VBE menu: Insert>Module
4. Copy the code from your browser window and paste it into the white space in the VBE window.
5. Close the VBE window and Save the workbook. If you are using Excel 2007 or a later version do a SaveAs and save it as a macro-enabled workbook (.xlsm file extension).
6. Press Alt+F8 keys to run the code
7. Make sure you have enabled macros whenever you open the file or the code will not run.
Code:
Sub ConsecutiveNumberSheets()
With Sheets("Test")
.Copy after:=Sheets(Sheets.Count)
ActiveSheet.Name = "Test" & Sheets.Count - 1
.Select
End With
End Sub