minor: fixes for tests in Ruby 1.8.7

test/bson/test_helper.rb

@@ -1,6 +1,6 @@
 require File.join(File.dirname(__FILE__), '..', '..', 'lib', 'bson')
-require 'rubygems' if RUBY_VERSION < '1.9.0' && ENV['C_EXT']
-gem 'test-unit' if RUBY_VERSION > '1.9.0'
+require 'rubygems' if RUBY_VERSION < '1.9.0'
+gem 'test-unit'
 require 'test/unit'
 
 def silently

test/replica_sets/basic_test.rb

@@ -89,7 +89,16 @@ class BasicTest < Test::Unit::TestCase
         rescue SystemStackError
         end
       end
-
+    end
+    
+    context "checking out readers" do
+      setup do
+        seeds = build_seeds(3)
+        args = {:name => @rs.name}
+        @con = ReplSetConnection.new(seeds, args)
+        @coll = @con[MONGO_TEST_DB]['test-connection-exceptions']
+      end
+      
       should "close the connection on receive_message for major exceptions" do
         @con.expects(:checkout_reader).raises(SystemStackError)
         @con.expects(:close)

test/test_helper.rb

@@ -1,7 +1,7 @@
 $:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
-require 'rubygems' if RUBY_VERSION < '1.9.0' && ENV['C_EXT']
+require 'rubygems' if RUBY_VERSION
 require 'mongo'
-gem 'test-unit' if RUBY_VERSION > '1.9.0'
+gem 'test-unit'
 require 'test/unit'
 
 def silently