[rubygems/rubygems] Removed test for

rubygems/rubygems#6444, I have no idea to
migrate this test to bundler example
yet

rubygems/rubygems@0d869019bf

lib/bundler/rubygems_ext.rb

@@ -83,8 +83,8 @@ def missing_extensions?
       #       so we find them with heuristic way. We should improve it.
       if source.respond_to?(:root)
         return false if (full_require_paths - [extension_dir]).any? do |path|
-          File.exist?(File.join(path, "#{name}.#{RbConfig::CONFIG['DLEXT']}")) ||
-          !Dir.glob(File.join(path, name, "*.#{RbConfig::CONFIG['DLEXT']}")).empty?
+          File.exist?(File.join(path, "#{name}.#{RbConfig::CONFIG["DLEXT"]}")) ||
+          !Dir.glob(File.join(path, name, "*.#{RbConfig::CONFIG["DLEXT"]}")).empty?
         end
       end
 

test/rubygems/test_gem_specification.rb

@@ -3663,31 +3663,6 @@ def test_missing_extensions_eh_none
     refute @a1.missing_extensions?
   end
 
-  def test_missing_extensions_eh_local_gemspec
-    pend "extensions don't quite work on jruby" if Gem.java_platform?
-
-    spec = new_default_spec "default", 1
-    spec.extensions << "extconf.rb"
-
-    ext_spec
-    @ext.name = spec.name
-    FileUtils.mkdir_p File.join(@ext.gem_dir, "lib")
-
-    # ext_spec used empty extconf.rb, so we need to create dummy extension for rake-compiler case.
-    # Ex. lib/gemname.so
-    FileUtils.touch File.join(@ext.gem_dir, "lib", "#{@ext.name}.#{RbConfig::CONFIG['DLEXT']}")
-
-    refute @ext.missing_extensions?
-
-    # Try to another case of extconf.rb
-    # Ex. lib/gemname/parser.so
-    FileUtils.rm File.join(@ext.gem_dir, "lib", "#{@ext.name}.#{RbConfig::CONFIG['DLEXT']}")
-    FileUtils.mkdir_p File.join(@ext.gem_dir, "lib", @ext.name)
-    FileUtils.touch File.join(@ext.gem_dir, "lib", @ext.name, "parser.#{RbConfig::CONFIG['DLEXT']}")
-
-    refute @ext.missing_extensions?
-  end
-
   def test_find_all_by_full_name
     pl = Gem::Platform.new "i386-linux"