* test/coverage/test_coverage.rb: ignored test when enabled to coverage.

It lead to crash with `make test-all`.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Jan  4 10:14:24 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* test/coverage/test_coverage.rb: ignored test when enabled to coverage.
+	  It lead to crash with `make test-all`.
+
 Mon Jan  4 08:10:44 2016  Yuichiro Kaneko  <yui-knk@ruby-lang.org>
 
 	* insns.def (opt_case_dispatch): Move a comment to the

test/coverage/test_coverage.rb

@@ -111,4 +111,4 @@ class TestCoverage < Test::Unit::TestCase
   ensure
     $".replace loaded_features
   end
-end
+end unless ENV['COVERAGE']