1 files changed, 3 insertions, 3 deletions
diff --git a/activesupport/test/deprecation/proxy_wrappers_test.rb b/activesupport/test/deprecation/proxy_wrappers_test.rb
index 2f866775f6..9e26052fb4 100644
--- a/activesupport/test/deprecation/proxy_wrappers_test.rb
+++ b/activesupport/test/deprecation/proxy_wrappers_test.rb
@@ -9,16 +9,16 @@ class ProxyWrappersTest < ActiveSupport::TestCase
 
   def test_deprecated_object_proxy_doesnt_wrap_falsy_objects
     proxy = ActiveSupport::Deprecation::DeprecatedObjectProxy.new(nil, "message")
-    assert !proxy
+    assert_not proxy
   end
 
   def test_deprecated_instance_variable_proxy_doesnt_wrap_falsy_objects
     proxy = ActiveSupport::Deprecation::DeprecatedInstanceVariableProxy.new(nil, :waffles)
-    assert !proxy
+    assert_not proxy
   end
 
   def test_deprecated_constant_proxy_doesnt_wrap_falsy_objects
     proxy = ActiveSupport::Deprecation::DeprecatedConstantProxy.new(Waffles, NewWaffles)
-    assert !proxy
+    assert_not proxy
   end
 end