diff --git a/test/integration/context_test.rb b/test/integration/context_test.rb
index 83bb43e3..0f4255ab 100644
--- a/test/integration/context_test.rb
+++ b/test/integration/context_test.rb
@@ -20,4 +20,14 @@ class ContextTest < Test::Unit::TestCase
     assert_equal 'Global test', Template.parse("{{'test' | notice }}").render!
     assert_equal 'Local test', Template.parse("{{'test' | notice }}").render!({}, :filters => [local])
   end
+
+  def test_has_key_will_not_add_an_error_for_missing_keys
+    Template.error_mode = :strict
+
+    context = Context.new
+
+    context.has_key?('unknown')
+
+    assert_empty context.errors
+  end
 end
diff --git a/test/integration/tags/include_tag_test.rb b/test/integration/tags/include_tag_test.rb
index b79cfd70..eca109f3 100644
--- a/test/integration/tags/include_tag_test.rb
+++ b/test/integration/tags/include_tag_test.rb
@@ -205,4 +205,12 @@ class IncludeTagTest < Test::Unit::TestCase
       Liquid::Template.tags['include'] = original_tag
     end
   end
+
+  def test_does_not_add_error_in_strict_mode_for_missing_variable
+    Liquid::Template.file_system = TestFileSystem.new
+
+    a = Liquid::Template.parse(' {% include "nested_template" %}')
+    a.render!
+    assert_empty a.errors
+  end
 end # IncludeTagTest