diff --git a/tests/php/Model/SubClassFormTest.php b/tests/php/Model/SubClassFormTest.php
new file mode 100644
index 0000000..3007310
--- /dev/null
+++ b/tests/php/Model/SubClassFormTest.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace SilverStripe\UserForms\Tests\Model;
+
+use SilverStripe\Control\Email\Email;
+use SilverStripe\Dev\FunctionalTest;
+use SilverStripe\Forms\GridField\GridField;
+use SilverStripe\Forms\GridField\GridFieldDataColumns;
+use SilverStripe\UserForms\Extension\UserFormFieldEditorExtension;
+use SilverStripe\UserForms\Model\UserDefinedForm;
+use SilverStripe\UserForms\Tests\Model\SubClassFormTest\SubClassForm;
+
+/**
+ * @package userforms
+ */
+class SubClassFormTest extends FunctionalTest
+{
+    protected $usesTransactions = false;
+
+    protected static $fixture_file = 'SubClassFormTest.yml';
+
+    protected static $required_extensions = [
+        UserDefinedForm::class => [UserFormFieldEditorExtension::class],
+    ];
+
+    protected static $extra_dataobjects = [
+        SubClassForm::class,
+    ];
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        Email::config()->update('admin_email', 'no-reply@example.com');
+    }
+
+    public function testGetCMSFieldsShowInSummary()
+    {
+        $this->logInWithPermission('ADMIN');
+        $form = $this->objFromFixture(SubClassForm::class, 'summary-rules-form');
+
+        $fields = $form->getCMSFields();
+
+        $this->assertInstanceOf(GridField::class, $fields->dataFieldByName('Submissions'));
+
+        $submissionsgrid = $fields->dataFieldByName('Submissions');
+        $gridFieldDataColumns = $submissionsgrid->getConfig()->getComponentByType(GridFieldDataColumns::class);
+
+        $summaryFields = $gridFieldDataColumns->getDisplayFields($submissionsgrid);
+
+        $this->assertContains('SummaryShow', array_keys($summaryFields ?? []), 'Summary field not showing displayed field');
+        $this->assertNotContains('SummaryHide', array_keys($summaryFields ?? []), 'Summary field showing displayed field');
+    }
+}
diff --git a/tests/php/Model/SubClassFormTest.yml b/tests/php/Model/SubClassFormTest.yml
new file mode 100644
index 0000000..3cfbd9e
--- /dev/null
+++ b/tests/php/Model/SubClassFormTest.yml
@@ -0,0 +1,17 @@
+SilverStripe\UserForms\Model\EditableFormField\EditableTextField:
+  summary-show:
+    Name: SummaryShow
+    Title: Summary Text Field
+    ShowInSummary: true
+
+  summary-hide:
+    Name: SummaryHide
+    Title: Summary Text Field
+    ShowInSummary: false
+
+SilverStripe\UserForms\Tests\Model\SubClassFormTest\SubClassForm:
+  summary-rules-form:
+    Title: Summary Fields Form
+    Fields:
+      - =>SilverStripe\UserForms\Model\EditableFormField\EditableTextField.summary-show
+      - =>SilverStripe\UserForms\Model\EditableFormField\EditableTextField.summary-hide
diff --git a/tests/php/Model/SubClassFormTest/SubClassForm.php b/tests/php/Model/SubClassFormTest/SubClassForm.php
new file mode 100644
index 0000000..6c9034c
--- /dev/null
+++ b/tests/php/Model/SubClassFormTest/SubClassForm.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace SilverStripe\UserForms\Tests\Model\SubClassFormTest;
+
+use SilverStripe\Dev\TestOnly;
+use SilverStripe\UserForms\Model\UserDefinedForm;
+
+class SubClassForm extends UserDefinedForm implements TestOnly
+{
+    private static $table_name = 'SubClassForm';
+}