Add checks for reject! on frozen objects

Author: samantharitter

test/bson/hash_with_indifferent_access_test.rb

@@ -74,11 +74,6 @@ def test_class_regression
     assert doc3.include?('b')
     assert !doc3.include?('c')
     assert_instance_of HashWithIndifferentAccess, doc3
-
-    doc.select! { |k, v| v > 2 }
-    assert doc.include?('c')
-    assert !doc.include?('b')
-    assert_nil doc.select! { |k, v| v > 0 }
   end
 
 end

test/bson/ordered_hash_test.rb

@@ -276,13 +276,6 @@ def test_select_as_enum
     assert !new.keys.include?('c')
   end
 
-  def test_select_bang
-    @oh.select! { |k, v| v > 1 }
-    assert @oh.keys.include?('a')
-    assert !@oh.keys.include?('c')
-    assert_nil @oh.select! { |k, v| v > 0 }
-  end
-
   def test_clone
     copy = @oh.clone
     assert copy.keys == @oh.keys