Use ~> 2.0 test-unit that runs on 1.8 rubies as well

Author: flori

Rakefile

@@ -84,7 +84,7 @@ if defined?(Gem) and defined?(Gem::PackageTask)
 
     s.require_path = 'lib'
     s.add_development_dependency 'rake'
-    s.add_development_dependency 'test-unit'
+    s.add_development_dependency 'test-unit', '~> 2.0'
 
     s.extra_rdoc_files << 'README.md'
     s.rdoc_options <<
@@ -121,7 +121,7 @@ if defined?(Gem) and defined?(Gem::PackageTask)
 
     s.require_path = 'lib'
     s.add_development_dependency 'rake'
-    s.add_development_dependency 'test-unit'
+    s.add_development_dependency 'test-unit', '~> 2.0'
 
     s.extra_rdoc_files << 'README.md'
     s.rdoc_options <<

json-java.gemspec

@@ -20,14 +20,14 @@ spec = Gem::Specification.new do |s|
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
       s.add_development_dependency(%q<rake>, [">= 0"])
-      s.add_development_dependency(%q<test-unit>, [">= 0"])
+      s.add_development_dependency(%q<test-unit>, ["~> 2.0"])
     else
       s.add_dependency(%q<rake>, [">= 0"])
-      s.add_dependency(%q<test-unit>, [">= 0"])
+      s.add_dependency(%q<test-unit>, ["~> 2.0"])
     end
   else
     s.add_dependency(%q<rake>, [">= 0"])
-    s.add_dependency(%q<test-unit>, [">= 0"])
+    s.add_dependency(%q<test-unit>, ["~> 2.0"])
   end
 end
 

json.gemspec

@@ -25,13 +25,13 @@ Gem::Specification.new do |s|
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
       s.add_development_dependency(%q<rake>, [">= 0"])
-      s.add_development_dependency(%q<test-unit>, [">= 0"])
+      s.add_development_dependency(%q<test-unit>, ["~> 2.0"])
     else
       s.add_dependency(%q<rake>, [">= 0"])
-      s.add_dependency(%q<test-unit>, [">= 0"])
+      s.add_dependency(%q<test-unit>, ["~> 2.0"])
     end
   else
     s.add_dependency(%q<rake>, [">= 0"])
-    s.add_dependency(%q<test-unit>, [">= 0"])
+    s.add_dependency(%q<test-unit>, ["~> 2.0"])
   end
 end