test/unit.rb: reduce error messages

* test/lib/test/unit.rb (non_options): reduce same error messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46147 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/test/lib/test/unit.rb b/test/lib/test/unit.rb
index dbdba6edc3..12e4338794 100644
--- a/test/lib/test/unit.rb
+++ b/test/lib/test/unit.rb
@@ -245,6 +245,7 @@ module Test
     module RequireFiles # :nodoc: all
       def non_options(files, options)
         return false if !super
+        errors = {}
         result = false
         files.each {|f|
           d = File.dirname(path = File.realpath(f))
@@ -255,6 +256,8 @@ module Test
             require path unless options[:parallel]
             result = true
           rescue LoadError
+            next if errors[$!.message]
+            errors[$!.message] = true
             puts "#{f}: #{$!}"
           end
         }