Move rational tests into canonical test subdir structure.

[SVN r44386]

libs/rational

@@ -1 +1 @@
-Subproject commit f5415531801e27324fb5ae58fb38ea018ab54762
+Subproject commit 1b8403048e106cad9d90777356449b80ad8ddd7c

status/Jamfile.v2

@@ -76,6 +76,7 @@ build-project ../libs/ptr_container/test ;     # test-suite ptr_container
 build-project ../libs/python/test ;            # test-suite python
 build-project ../libs/random/test ;            # test-suite random
 build-project ../libs/range/test ;             # test-suite range
+build-project ../libs/rational/test ;          # test-suite rational
 build-project ../libs/regex/test ;             # test-suite regex
 build-project ../libs/regex/example ;          # test-suite regex-examples
 build-project ../libs/serialization/test ;     # test-suite serialization
@@ -147,11 +148,6 @@ explicit unit_test_framework ;
           [ compile-fail libs/config/test/threads/test_thread_fail2.cpp ]
         ;
 
-    test-suite rational
-        : [ run libs/rational/rational_example.cpp ]
-          [ run libs/rational/rational_test.cpp unit_test_framework ]
-        ;
-
     compile libs/timer/timer_test.cpp ;
 
     test-suite tokenizer