[css-text] Update date

Author: frivoal

css-text-3/test-coverage.html

@@ -6,7 +6,7 @@
 
 <div class=head>
 	<h1 id=title>CSS Text 3 test coverage report</h1>
-	<h2 class=subtitle>2018-12-18</h2>
+	<h2 class=subtitle>2019-07-02</h2>
 	<dl>
 		<dt class="editor">Prepared by:
 		<dd class="editor p-author h-card vcard" data-editor-id="43241"><a class="p-name fn u-url url" href="https://florian.rivoal.net">Florian Rivoal</a> (<span class="p-org org">Invited Expert</span>)