[PATCH] gdb.mi/mi2-return.exp: fix racy test (PR testsuite/12649)

[Marek Polacek]

Simply use mi_gdb_test in place of gdb_test_multiple.
Tested with read{,1}.  OK?

2011-06-22  Marek Polacek  <mpolacek@redhat.com>

        * gdb.mi/mi2-return.exp: Replace gdb_test_multiple with mi_gdb_test.

--- gdb/gdb/testsuite/gdb.mi/mi2-return.exp.mp  2011-06-22 13:26:54.138576781 +0200
+++ gdb/gdb/testsuite/gdb.mi/mi2-return.exp     2011-06-22 13:29:50.882300056 +0200
@@ -53,11 +53,7 @@ proc test_return_simple {} {
     set line_callee3_call         [expr $line_callee3_head + 2]
     set line_callee3_close_brace  [expr $line_callee3_head + 3]
 
-    gdb_test_multiple "111-exec-return" "return from callee4 now" {
-       -re "111\\^done,frame=\{level=\"0\",addr=\"$hex\",func=\"callee3\",args=\\\[.*\\\],file=\".*basics.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"($line_callee3_call|$line_callee3_close_brace)\"\}\r\n$mi_gdb_prompt$" {
-           pass "return from callee4 now"
-       }
-    }
+    mi_gdb_test "111-exec-return" "111\\^done,frame=\{level=\"0\",addr=\"$hex\",func=\"callee3\",args=\\\[.*\\\],file=\".*basics.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"($line_callee3_call|$line_callee3_close_brace)\"\}" "return from callee4 now"
 }
 
 mi_runto callee4