Fix: Use man generator HTML tags

docs/brew.1.html

@@ -610,7 +610,7 @@ launched with access to IRB or a shell inside the temporary test directory.</p>
 not deleted.</p>
 
 <p>Example: <code>brew install jruby &amp;&amp; brew test jruby</code></p></dd>
-<dt><code>tests</code> [<code>-v</code>] [<code>--coverage</code>] [<code>--generic</code>] [<code>--no-compat</code>] [<code>--only=</code><test_script:test_method>] [<code>--seed</code> <var>seed</var>] [<code>--trace</code>] [<code>--online</code>] [<code>--official-cmd-taps</code>]</dt><dd><p>Run Homebrew's unit and integration tests.</p></dd>
+<dt><code>tests</code> [<code>-v</code>] [<code>--coverage</code>] [<code>--generic</code>] [<code>--no-compat</code>] [<code>--only=</code>&lt;test_script:test_method>] [<code>--seed</code> <var>seed</var>] [<code>--trace</code>] [<code>--online</code>] [<code>--official-cmd-taps</code>]</dt><dd><p>Run Homebrew's unit and integration tests.</p></dd>
 <dt><code>update-test</code> [<code>--commit=&lt;commit></code>] [<code>--before=&lt;date></code>] [<code>--keep-tmp</code>]</dt><dd><p>Runs a test of <code>brew update</code> with a new repository clone.</p>
 
 <p>If no arguments are passed, use <code>origin/master</code> as the start commit.</p>