diff --git a/tests/features/bootstrap/FeatureContext.php b/tests/features/bootstrap/FeatureContext.php
index 3d4e78fdbf..cf62da1133 100644
--- a/tests/features/bootstrap/FeatureContext.php
+++ b/tests/features/bootstrap/FeatureContext.php
@@ -10,6 +10,7 @@
 use Behat\Behat\Context\SnippetAcceptingContext;
 use Behat\Behat\Hook\Scope\AfterStepScope;
 use Behat\Gherkin\Node\TableNode;
+use Behat\Mink\Driver\Selenium2Driver;
 use Behat\Mink\Exception\ExpectationException;
 use Behat\Mink\Exception\ResponseTextException;
 use Drupal\Component\Serialization\Yaml;
@@ -22,6 +23,8 @@
 use Drupal\joinup\Traits\UserTrait;
 use Drupal\joinup\Traits\UtilityTrait;
 use LoversOfBehat\TableExtension\Hook\Scope\AfterTableFetchScope;
+use WebDriver\Exception;
+use WebDriver\Key;
 
 /**
  * Defines generic step definitions.
@@ -1205,4 +1208,46 @@ public static function stripScreenReaderElements(AfterTableFetchScope $scope) {
     $scope->setHtml($html_manipulator->removeElements('.visually-hidden')->html());
   }
 
+  /**
+   * Fills in the autocomplete field with the given text.
+   *
+   * This differs from MinkContext::fillField() in that this will no remove the
+   * focus on the field after entering the text, so that the autocomplete
+   * results will not disappear. The final action taken on the field will be the
+   * "keyup" event for the last character.
+   *
+   * @param string $field
+   *   The ID, name, label or value of the autocomplete field to fill in.
+   * @param string $value
+   *   The text to type in the autocomplete field.
+   *
+   * @When I type :value in the :field autocomplete field
+   */
+  public function fillAutoCompleteField(string $field, string $value): void
+  {
+    $this->assertJavaScriptEnabledBrowser();
+
+    $driver = $this->getSession()->getDriver();
+    if (!$driver instanceof Selenium2Driver) {
+      throw new \RuntimeException("Only Selenium is currently supported for typing in autocomplete fields.");
+    }
+
+    $xpath = $this->getSession()->getSelectorsHandler()->selectorToXpath('named', ['field', $field]);
+    try {
+      $element = $driver->getWebDriverSession()->element('xpath', $xpath);
+    }
+    catch (Exception $e) {
+      throw new \RuntimeException("Field with locator '$field' was not found in the page.");
+    }
+
+    // Clear any existing data in the field before typing the new data.
+    $value = str_repeat(Key::BACKSPACE . Key::DELETE, strlen($element->attribute('value'))) . $value;
+
+    // Fill in the field by directly using the postValue() method of the
+    // webdriver. This executes the keystrokes that make up the text but will
+    // not remove focus from the field so the autocomplete results remain
+    // visible and can be inspected.
+    $element->postValue(['value' => [$value]]);
+  }
+
 }
diff --git a/tests/features/joinup_discussion/discussion.invite.feature b/tests/features/joinup_discussion/discussion.invite.feature
index 125a941868..2a5fe41719 100644
--- a/tests/features/joinup_discussion/discussion.invite.feature
+++ b/tests/features/joinup_discussion/discussion.invite.feature
@@ -102,35 +102,35 @@ Feature: Invite members to subscribe to discussions
     Then I should see the error message "Please add at least one user."
 
     # Try to filter by first name.
-    When I fill in "E-mail" with "sha"
+    When I type "sha" in the "E-mail" autocomplete field
     Then I wait until the page contains the text "Shaquila Paternoster (paternoster)"
     And I should see the text "Shannon Hargrave (theacuteone)"
     But I should not see the text "Lynwood Crawford (Lynwood Crawford)"
     And I should not see the text "Glory Ruskin (Glory Ruskin)"
 
     ## Try to filter by last name.
-    When I fill in "E-mail" with "raw"
+    When I type "raw" in the "E-mail" autocomplete field
     Then I wait until the page contains the text "Lynwood Crawford (Lynwood Crawford)"
     But I should not see the text "Shaquila Paternoster (paternoster)"
     And I should not see the text "Shannon Hargrave (theacuteone)"
     And I should not see the text "Glory Ruskin (Glory Ruskin)"
 
     ## Try to filter by e-mail address.
-    When I fill in "E-mail" with "hr"
+    When I type "hr" in the "E-mail" autocomplete field
     Then I wait until the page contains the text "Glory Ruskin (Glory Ruskin)"
     And I should see the text "Shannon Hargrave (theacuteone)"
     But I should not see the text "Lynwood Crawford (Lynwood Crawford)"
     And I should not see the text "Shaquila Paternoster (paternoster)"
 
     ## Try fo filter by username.
-    When I fill in "E-mail" with "acute"
+    When I type "acute" in the "E-mail" autocomplete field
     Then I wait until the page contains the text "Shannon Hargrave (theacuteone)"
     But I should see the text "Glory Ruskin (Glory Ruskin)"
     And I should not see the text "Lynwood Crawford (Lynwood Crawford)"
     And I should not see the text "Shaquila Paternoster (paternoster)"
 
     ## Try to filter on a combination of first name and last name.
-    When I fill in "E-mail" with "or"
+    When I type "or" in the "E-mail" autocomplete field
     Then I wait until the page contains the text "Lynwood Crawford (Lynwood Crawford)"
     And I should see the text "Glory Ruskin (Glory Ruskin)"
     But I should not see the text "Shannon Hargrave (theacuteone)"