Rename 'has_key?' and 'has_interrupt?'

test/integration/context_test.rb

@@ -25,7 +25,7 @@ class ContextTest < Minitest::Test
   def test_has_key_will_not_add_an_error_for_missing_keys
     with_error_mode :strict do
       context = Context.new
-      context.has_key?('unknown')
+      context.key?('unknown')
       assert_empty context.errors
     end
   end

test/unit/context_unit_test.rb

@@ -454,7 +454,7 @@ class ContextUnitTest < Minitest::Test
     mock_any = Spy.on_instance_method(Array, :any?)
     mock_empty = Spy.on_instance_method(Array, :empty?)
 
-    @context.has_interrupt?
+    @context.interrupt?
 
     refute mock_any.has_been_called?
     assert mock_empty.has_been_called?