Did minimal modifications to make Boost.Rational use Boost.Test for testing.

[SVN r32142]

libs/rational

@@ -1 +1 @@
-Subproject commit e2815547d326e29030d69d011a47392a1ef5befd
+Subproject commit 6ffbdc951b4cf66a6ebcb711ecc2cffc669e32fa

status/Jamfile

@@ -160,7 +160,7 @@ subinclude libs/xpressive/test ;           # test-suite xpressive
 
     test-suite rational
         : [ run libs/rational/rational_example.cpp ]
-          [ run libs/rational/rational_test.cpp ]
+          [ run libs/rational/rational_test.cpp <lib>../libs/test/build/boost_test_exec_monitor ]
         ;
 
     subinclude libs/test/test ;

status/Jamfile.v2

@@ -158,7 +158,7 @@ build-project ../libs/xpressive/test ;         # test-suite xpressive
 
     test-suite rational
         : [ run libs/rational/rational_example.cpp ]
-          [ run libs/rational/rational_test.cpp ]
+          [ run libs/rational/rational_test.cpp test_exec_monitor ]
         ;