Ted Bowman
--- a/core/modules/update/tests/src/Functional/UpdateSemverTestBase.php 0 → 100644
+++ b/core/modules/update/tests/src/Functional/UpdateSemverTestBase.php 0 → 100644
+   * They both have an '8.0.2' release that is unpublished and an '8.1.0'
+   * release that is published and is the expected update.
+   */
+  public function testRevokedRelease() {
+    foreach (['1.0', '1.0-unsupported'] as $fixture) {
+      $this->setProjectInstalledVersion('8.0.2');
+      $this->refreshUpdateStatus([$this->updateProject => $fixture]);
+      $this->standardTests();
+      $this->confirmRevokedStatus('8.0.2', '8.1.0', 'Recommended version:');
+    }
+  }
+
+  /**
+   * Checks that Drupal recovers after problems connecting to update server.
+   */
+  public function testBrokenThenFixedUpdates() {
--- a/core/modules/update/tests/src/Functional/UpdateSemverTestBase.php 0 → 100644
+++ b/core/modules/update/tests/src/Functional/UpdateSemverTestBase.php 0 → 100644
+   * Tests the Update Manager module when a major update is available.
+   */
+  public function testMajorUpdateAvailable() {
+    foreach ([0, 1] as $minor_version) {
+      foreach ([0, 1] as $patch_version) {
+        foreach (['-alpha1', '-beta1', ''] as $extra_version) {
+          $this->setProjectInstalledVersion("8.$minor_version.$patch_version" . $extra_version);
+          $this->refreshUpdateStatus([$this->updateProject => '9']);
+          $this->standardTests();
+          $this->drupalGet('admin/reports/updates');
+          $this->clickLink(t('Check manually'));
+          $this->checkForMetaRefresh();
+          $this->assertUpdateTableTextNotContains('Security update required!');
+          $this->assertUpdateTableElementContains(Link::fromTextAndUrl('9.0.0', Url::fromUri("http://example.com/drupal-9-0-0-release"))->toString());
+          $this->assertUpdateTableElementContains(Link::fromTextAndUrl(t('Download'), Url::fromUri("http://example.com/drupal-9-0-0.tar.gz"))->toString());
+          $this->assertUpdateTableElementContains(Link::fromTextAndUrl(t('Release notes'), Url::fromUri("http://example.com/drupal-9-0-0-release"))->toString());
--- a/core/modules/update/tests/src/Functional/UpdateCoreTest.php
+++ b/core/modules/update/tests/src/Functional/UpdateCoreTest.php
-
-  /**
-   * {@inheritdoc}
-   */
-  protected $defaultTheme = 'stark';
-
-  /**
-   * {@inheritdoc}
-   */
-  protected $updateTableLocator = 'table.update';
+class UpdateCoreTest extends UpdateSemverTestBase {

  /**
   * {@inheritdoc}
   */
-  protected $updateProject = 'drupal';
--- a/core/modules/update/tests/src/Functional/UpdateSemverContribTest.php 0 → 100644
+++ b/core/modules/update/tests/src/Functional/UpdateSemverContribTest.php 0 → 100644
+  protected $updateTableLocator = 'table.update:nth-of-type(2)';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $updateProject = 'semver_test';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $projectTitle = 'Semver Test';
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['semver_test'];