<p></p>
<p><b>@openbrian</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/3683#discussion_r975916553">test/models/microcosm_test.rb</a>:</p>
<pre style='color:#555'>> +    # arrange
+    site_name = "site_name"
+    site_url = "https://example.com"
+    m = create(:microcosm)
+    # act
+    m.set_link(site_name, site_url)
+    # assert
+    ml = MicrocosmLink.find_by(:microcosm_id => m.id, :site => site_name)
+    assert_equal ml.url, site_url
+  end
+
+  def test_set_link_that_already_exists
+    # arrange
+    m = create(:microcosm)
+    site_name = "site_name"
+    site_url_old = "https://example1.com"
</pre>
<p dir="auto">done</p>

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