[SQLLINE-123] Make SqlLineArgsTest#testScan stable in case of several registered drivers (Sergey Nuyanzin)
[SQLLINE-123] Make SqlLineArgsTest#testScan stable in case of several registered drivers (Sergey Nuyanzin)

Split expected sqlline.SqlLineArgsTest#testScan output into header and
a driver description's line.

Remove extra System.out.println.

julianhyde/sqlline,julianhyde/sqlline