Merge pull request #224 from jcalvert/fix_error_test

Call get_handler on Error class instead of module

Author: cfis

test/test_error.rb

@@ -72,7 +72,7 @@ def test_get_handler
       LibXML::XML::Error.reset_handler
     end
     if saved_handler.nil?
-      assert_nil(LibXML::XML::get_handler)
+      assert_nil(LibXML::XML::Error.get_handler)
     else
       assert_equal(LibXML::XML::Error.get_handler, saved_handler)
     end

test/test_writer.rb

@@ -468,7 +468,7 @@ def test_string_writer_does_not_leak_memory
       rss_by_round << rss
     end
 
-    assert_operator(rss_by_round.last - rss_by_round[1], :<, 5_000)
+    assert_operator(rss_by_round.last - rss_by_round[1], :<, 10_000)
   end
 
   private