Fix #vc_test_request example (#2119)

* Fix #vc_test_request example

Fix the example provided for #vc_test_request to use "vc_test_request" instead of "request".

* Update CHANGELOG

Author: betogrun

docs/CHANGELOG.md

@@ -22,6 +22,10 @@ nav_order: 5
 
     *Denis Pasin*
 
+* Fix the example of #vc_test_request in the API reference to use the correct method name.
+
+    *Alberto Rocha*
+
 ## 3.16.0
 
 * Add template information to multiple template error messages.

docs/api.md

@@ -343,7 +343,7 @@ Access the request used by `render_inline`:
 
 ```ruby
 test "component does not render in Firefox" do
-  request.env["HTTP_USER_AGENT"] = "Mozilla/5.0"
+  vc_test_request.env["HTTP_USER_AGENT"] = "Mozilla/5.0"
   render_inline(NoFirefoxComponent.new)
   refute_component_rendered
 end