[ruby/error_highlight] Reproduce the error seen when calling .to_s in embedded Ruby

The test fails with the following error:

Error: test_simulate_funcallv_from_embedded_ruby(ErrorHighlightTest): TypeError: wrong argument type nil (expected method)

https://github.com/ruby/error_highlight/commit/52943c9cd2

test/error_highlight/test_error_highlight.rb

@@ -1194,4 +1194,20 @@ undefined method `time' for 1:Integer
       end
     end
   end
+
+  def test_simulate_funcallv_from_embedded_ruby
+    assert_error_message(NoMethodError, <<~END) do
+undefined method `foo' for nil:NilClass
+
+      nil.foo + 1
+         ^^^^
+    END
+
+      nil.foo + 1
+    rescue NoMethodError => exc
+      def exc.backtrace_locations = []
+      raise
+    end
+  end
+
 end