Use read_versions instead of duplicating code.

src/server/testsuite/lyskomd.0/01.exp

-# Check return values for a lot of functions.
+# Check that all functions do the right thing when invoked before the
+# user logs in.
 
-set f [open "$top_srcdir/versions"]
-while {[gets $f line] >= 0} {
-    if {[lindex $line 0] == "PROTOCOL-A-LEVEL:"} {
-	set protocol_a_level [lindex $line 1]
-    } elseif {[lindex $line 0] == "SERVER-SOFTWARE:"} {
-	set server_software [lindex $line 1]
-    } elseif {[lindex $line 0] == "SERVER-VERSION:"} {
-	set server_version [lindex $line 1]
-    } elseif {[lindex $line 0] == "SERVER-COMPAT-VERSION:"} {
-	set server_compat_version [lindex $line 1]
-    }
-}
-close $f
+read_versions
 
 lyskomd_start