diff --git a/core/modules/link/src/Tests/LinkFieldUITest.php b/core/modules/link/src/Tests/LinkFieldUITest.php
index 5ee1045..ac349a0 100644
--- a/core/modules/link/src/Tests/LinkFieldUITest.php
+++ b/core/modules/link/src/Tests/LinkFieldUITest.php
@@ -90,62 +90,68 @@ function testFieldUI() {
       foreach ($link_types as $link_type) {
         // Now, test this with both the title enabled and disabled.
         foreach ($title_settings as $title_setting) {
-          // Output variation being tested for debugging purpose.
-          $this->verbose("Now testing - cardinality: $cardinality - link_type:
-          $link_type, title_setting: $title_setting");
-
-          // Log in an admin to set up a content type for this test.
-          $this->drupalLogin($this->adminUser);
-
-          // Add a new content type.
-          $type = $this->drupalCreateContentType();
-          $type_path = 'admin/structure/types/manage/' . $type->id();
-          $add_path = 'node/add/' . $type->id();
-
-          // Create a field for this content type with the current cardinality
-          // and link field settings.
-          $label = $this->randomMachineName();
-          $description = $this->randomMachineName();
-          $field_name = Unicode::strtolower($label);
-          $storage_edit = ['cardinality_number' => $cardinality];
-          $field_edit = [
-            'settings[link_type]' => $link_type,
-            'description' => $description,
-            'settings[title]' => $title_setting,
-          ];
-          $this->fieldUIAddNewField($type_path, $field_name, $label, 'link', $storage_edit, $field_edit);
-
-          // Log in a user that is allowed to create this content type, see if
-          // the user can see the expected help text.
-          $this->drupalLogin($this->drupalCreateUser(['create ' . $type->id() . ' content']));
-          $this->drupalGet($add_path);
-
-          // Check that the help texts we assume should be there, is there.
-          switch ($link_type) {
-            case LinkItemInterface::LINK_GENERIC:
-              // Check that the text for allowing both internal and external is
-              // present.
-              $this->assertRaw('You can also enter an internal path such as <em class="placeholder">/node/add</em> or an external URL such as <em class="placeholder">http://example.com</em>.');
-              break;
-
-            case LinkItemInterface::LINK_EXTERNAL:
-              // Check the external only link help text.
-              $this->assertRaw('This must be an external URL such as <em class="placeholder">http://example.com</em>.');
-              break;
-
-            case LinkItemInterface::LINK_INTERNAL:
-              // Internal links have no "system" description. Test that none of
-              // the above shows here.
-              $this->assertNoRaw('This must be an external URL such as <em class="placeholder">http://example.com</em>.');
-              $this->assertNoRaw('You can also enter an internal path such as <em class="placeholder">/node/add</em> or an external URL such as <em class="placeholder">http://example.com</em>.');
-              // And assert that the field prefix is the internal URL.
-              $this->assertRaw(rtrim(\Drupal::url('<front>', array(), array('absolute' => TRUE)), '/'));
-              break;
-
+          // Both test empty descriptions and not empty descriptions.
+          foreach ([TRUE, FALSE] as $description_enabled) {
+            // Output variation being tested for debugging purpose.
+            $this->verbose("Now testing - cardinality: $cardinality - link_type:
+            $link_type, title_setting: $title_setting, description_enabled:
+            $description_enabled");
+
+            // Log in an admin to set up a content type for this test.
+            $this->drupalLogin($this->adminUser);
+
+            // Add a new content type.
+            $type = $this->drupalCreateContentType();
+            $type_path = 'admin/structure/types/manage/' . $type->id();
+            $add_path = 'node/add/' . $type->id();
+
+            // Create a field for this content type with the current cardinality
+            // and link field settings.
+            $label = $this->randomMachineName();
+            $description = $this->randomMachineName();
+            $field_name = Unicode::strtolower($label);
+            $storage_edit = ['cardinality_number' => $cardinality];
+            $field_edit = [
+              'settings[link_type]' => $link_type,
+              'description' => $description_enabled ? $description : '',
+              'settings[title]' => $title_setting,
+            ];
+            $this->fieldUIAddNewField($type_path, $field_name, $label, 'link', $storage_edit, $field_edit);
+
+            // Log in a user that is allowed to create this content type, see if
+            // the user can see the expected help text.
+            $this->drupalLogin($this->drupalCreateUser(['create ' . $type->id() . ' content']));
+            $this->drupalGet($add_path);
+
+            // Check that the help texts we assume should be there, is there.
+            switch ($link_type) {
+              case LinkItemInterface::LINK_GENERIC:
+                // Check that the text for allowing both internal and external is
+                // present.
+                $this->assertRaw('You can also enter an internal path such as <em class="placeholder">/node/add</em> or an external URL such as <em class="placeholder">http://example.com</em>.');
+                break;
+
+              case LinkItemInterface::LINK_EXTERNAL:
+                // Check the external only link help text.
+                $this->assertRaw('This must be an external URL such as <em class="placeholder">http://example.com</em>.');
+                break;
+
+              case LinkItemInterface::LINK_INTERNAL:
+                // Internal links have no "system" description. Test that none of
+                // the above shows here.
+                $this->assertNoRaw('This must be an external URL such as <em class="placeholder">http://example.com</em>.');
+                $this->assertNoRaw('You can also enter an internal path such as <em class="placeholder">/node/add</em> or an external URL such as <em class="placeholder">http://example.com</em>.');
+                // And assert that the field prefix is the internal URL.
+                $this->assertRaw(rtrim(\Drupal::url('<front>', array(), array('absolute' => TRUE)), '/'));
+                break;
+
+            }
+            // Also assert that the description we made is here, no matter what
+            // the cardinality or link setting.
+            if ($description_enabled) {
+              $this->assertRaw($description);
+            }
           }
-          // Also assert that the description we made is here, no matter what
-          // the cardinality or link setting.
-          $this->assertRaw($description);
         }
       }
     }