Issue #3389510: Split up update semver tests

core/modules/update/tests/src/Functional/UpdateSemverContribBaselineTest.php

+<?php
+
+namespace Drupal\Tests\update\Functional;
+
+/**
+ * Tests the Update Manager module with a contrib module with semver versions.
+ *
+ * @group update
+ * @group #slow
+ */
+class UpdateSemverContribBaselineTest extends UpdateSemverContribTestBase {
+
+  use UpdateSemverTestBaselineTrait;
+
+}