added regression test for gem-list, PLS ppl remember to test on 1.8 too!! :))

test/test_default_commands/test_gems.rb

@@ -0,0 +1,14 @@
+require 'helper'
+
+describe "Pry::DefaultCommands::Gems" do
+  describe "gem-list" do
+
+    # fixing bug for 1.8 compat
+    it 'should not raise when invoked' do
+      str_output = StringIO.new
+      Pry.start self, :input => InputTester.new("gem-list", "exit-all"), :output => str_output
+      str_output.string.should.not =~ /NoMethodError/
+    end
+  end
+end
+