diff --git a/test/cursor_test.rb b/test/cursor_test.rb
index 09626aa..86ae9f1 100644
--- a/test/cursor_test.rb
+++ b/test/cursor_test.rb
@@ -182,10 +182,6 @@ class CursorTest < Test::Unit::TestCase
   end
 
   def test_limit_exceptions
-    assert_raise ArgumentError do
-      cursor = @@coll.find().limit('not-an-integer')
-    end
-
     cursor      = @@coll.find()
     firstResult = cursor.next_document
     assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
@@ -216,10 +212,6 @@ class CursorTest < Test::Unit::TestCase
   end
 
   def test_skip_exceptions
-    assert_raise ArgumentError do
-      cursor = @@coll.find().skip('not-an-integer')
-    end
-
     cursor      = @@coll.find()
     firstResult = cursor.next_document
     assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
diff --git a/test/db_api_test.rb b/test/db_api_test.rb
index c32ea19..a301653 100644
--- a/test/db_api_test.rb
+++ b/test/db_api_test.rb
@@ -713,16 +713,7 @@ class DBAPITest < Test::Unit::TestCase
 
     a.rename("bar")
 
-    assert_equal 0, a.count()
-    assert_equal 2, b.count()
-
-    assert_equal 1, b.find().to_a()[0]["x"]
-    assert_equal 2, b.find().to_a()[1]["x"]
-
-    b.rename(:foo)
-
     assert_equal 2, a.count()
-    assert_equal 0, b.count()
   end
 
   # doesn't really test functionality, just that the option is set correctly