Open a clean workspace. Have an OS3 application set up and imported.
Open a new server adapter wizard for the connection where your application is
-> fill in the first page, click next
-> in the Eclipse project part, click Browse...

Observe - projects imported from the connection are listed
-> check Show all projects - RemoteSystemsTempFiles appears
-> select RemoteSystemsTempFiles and confirm
-> click Brose... again
-> observe - 'Show all projects' is checked but RemoteSystemsTempFiles is not visible
-> uncheck 'Show all projects'
-> observe - OK button is disabled
-> double click a listed project to select it with OK button disabled