Test with a blank value

activesupport/test/core_ext/object/to_query_test.rb

@@ -49,8 +49,8 @@ def test_array_values_are_not_sorted
   def test_nested_empty_hash
     assert_query_equal 'a=1&b%5Bc%5D=3&b%5Bd%5D=',
       { a: 1, b: { c: 3, d: {} } }
-    assert_query_equal 'b%5Bc%5D=3&b%5Be%5D=&b%5Bf%5D=&p=12',
-      { p: 12, b: { c: 3, e: nil, f: '' } }
+    assert_query_equal 'b%5Bc%5D=false&b%5Be%5D=&b%5Bf%5D=&p=12',
+      { p: 12, b: { c: false, e: nil, f: '' } }
     assert_query_equal 'b%5Bc%5D=3&b%5Bf%5D=&b%5Bk%5D=',
       { b: { c: 3, k: {}, f: '' } }
   end