Add a test

tests/Custom/LargePageClickTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Behat\Mink\Tests\Driver\Custom;
+
+use Behat\Mink\Tests\Driver\TestCase;
+
+class LargePageClickTest extends TestCase
+{
+    public function testLargePageClick(): void
+    {
+        $this->getSession()->visit($this->pathTo('/multi_input_form.html'));
+
+        // Add a large amount of br tags so that the button is not in view.
+        $large_page = str_repeat('<br />', 2000);
+        $script = <<<JS
+            const p = document.createElement("div");
+            p.innerHTML = "$large_page";
+            document.body.insertBefore(p, document.body.firstChild);
+        JS;
+        $this->getSession()->executeScript($script);
+
+        $page = $this->getSession()->getPage();
+        $page->pressButton('Register');
+        $this->assertStringContainsString('no file', $page->getContent());
+    }
+}