diff --git a/core/lib/Drupal/Core/Form/FormBuilder.php b/core/lib/Drupal/Core/Form/FormBuilder.php
index d4de829a26..4a24912345 100644
--- a/core/lib/Drupal/Core/Form/FormBuilder.php
+++ b/core/lib/Drupal/Core/Form/FormBuilder.php
@@ -999,6 +999,7 @@ public function doBuildForm($form_id, &$element, FormStateInterface &$form_state
     if (isset($element['#process']) && !$element['#processed']) {
       foreach ($element['#process'] as $callback) {
         $complete_form = &$form_state->getCompleteForm();
+        \Drupal::logger('file')->notice('Calling ' . json_encode($callback));
         $element = call_user_func_array($form_state->prepareCallback($callback), [&$element, &$form_state, &$complete_form]);
       }
       $element['#processed'] = TRUE;
diff --git a/core/lib/Drupal/Core/Render/Renderer.php b/core/lib/Drupal/Core/Render/Renderer.php
index a98c1b14f5..6abbf86861 100644
--- a/core/lib/Drupal/Core/Render/Renderer.php
+++ b/core/lib/Drupal/Core/Render/Renderer.php
@@ -570,7 +570,6 @@ public function executeInRenderContext(RenderContext $context, callable $callabl
 
     // Set the provided context and call the callable, it will use that context.
     $this->setCurrentRenderContext($context);
-    \Drupal::logger('file')->notice('Renderer calling setCurrentRenderContext');
     $result = $callable();
     // @todo Convert to an assertion in https://www.drupal.org/node/2408013
     if ($context->count() > 1) {
diff --git a/core/modules/media_library/tests/src/FunctionalJavascript/UploadFail.php b/core/modules/media_library/tests/src/FunctionalJavascript/UploadFail.php
index 8186d8c50d..d7b879d930 100644
--- a/core/modules/media_library/tests/src/FunctionalJavascript/UploadFail.php
+++ b/core/modules/media_library/tests/src/FunctionalJavascript/UploadFail.php
@@ -67,17 +67,18 @@ public function testManyConsecutiveUploads() {
     $count = 0;
     // Upload then remove an image 100x to see if/when it fails.
     while ($count < 100) {
-      \Drupal::logger('file')->notice("\n\nStarting iteration $count");
+
       $this->assertElementExistsAfterWait('css', '.media-library-open-button[name^="field_twin_media"]', 10000, "Twin media open button not found on iteration $count")->click();
       $this->assertElementExistsAfterWait('css', '.media-library-menu', 10000, "Media library menu did not appear on iteration $count");
       $this->waitForText('Add or select media', 10000, "Text 'Add or select media' not appear on iteration $count");
       $this->clickTypeTab('Four');
       $new_filename = uniqid(time()) . '.jpg';
-      $new_filepath = $file_system->realpath('public://') . '/' . $new_filename;
+      $new_filepath = $file_system->realpath('temporary://') . '/' . $new_filename;
       $file_system->copy($file_system->realpath($jpg_image->uri), $new_filepath);
       $this->waitForFieldExists('Add files', 10000, "Did not find 'Add files' on iteration $count");
       $media_count = $database->select('file_managed')->countQuery()->execute()->fetchField();
       $this->assertEquals($count, $media_count);
+      \Drupal::logger('file')->notice("\n\nStarting iteration $count");
       $page->attachFileToField('Add files', $new_filepath);
       $result = $page->waitFor(10, function () use ($database, $count) {
         $media_count = $database->select('file_managed')->countQuery()->execute()->fetchField();
@@ -150,11 +151,6 @@ protected function waitForNoText($text, $timeout = 10000, $message = 'text still
   protected function waitForText($text, $timeout = 10000, $message = 'text not found') {
     $assert_session = $this->assertSession();
     $result = $assert_session->waitForText($text, $timeout);
-    if (empty($result)) {
-      $this->htmlOutput();
-      $filename = $this->htmlOutputDirectory . '/' . $this->htmlOutputClassName . '-' . $this->htmlOutputCounter . '-' . $this->htmlOutputTestId . '-waitForText.jpg';
-      $this->createScreenshot($filename);
-    }
     $this->assertNotEmpty($result, $message);
   }