chore: regens API reference docs (#889)

diff --git a/docs/dyn/searchconsole_v1.urlTestingTools.mobileFriendlyTest.html b/docs/dyn/searchconsole_v1.urlTestingTools.mobileFriendlyTest.html
index 04d404a..c900ef0 100644
--- a/docs/dyn/searchconsole_v1.urlTestingTools.mobileFriendlyTest.html
+++ b/docs/dyn/searchconsole_v1.urlTestingTools.mobileFriendlyTest.html
@@ -75,15 +75,15 @@
 <h1><a href="searchconsole_v1.html">Google Search Console URL Testing Tools API</a> . <a href="searchconsole_v1.urlTestingTools.html">urlTestingTools</a> . <a href="searchconsole_v1.urlTestingTools.mobileFriendlyTest.html">mobileFriendlyTest</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#run">run(body, x__xgafv=None)</a></code></p>
+  <code><a href="#run">run(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Runs Mobile-Friendly Test for a given URL.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="run">run(body, x__xgafv=None)</code>
+    <code class="details" id="run">run(body=None, x__xgafv=None)</code>
   <pre>Runs Mobile-Friendly Test for a given URL.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Mobile-friendly test request.