.../src/Functional/EntityResource/EntityResourceTestBase.php      | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index 669382d..197a16a 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -406,6 +406,8 @@ protected function getExpectedCacheContexts() {
   public function testGet() {
     $this->initAuthentication();
     $has_canonical_url = $this->entity->hasLinkTemplate('canonical');
+    // @todo Remove in https://www.drupal.org/node/2825487.
+    $has_canonical_url = $has_canonical_url && !static::$entityTypeId === 'file';
 
     // The URL and Guzzle request options that will be used in this test. The
     // request options will be modified/expanded throughout this test:
@@ -1230,6 +1232,8 @@ public function testDelete() {
 
     $this->initAuthentication();
     $has_canonical_url = $this->entity->hasLinkTemplate('canonical');
+    // @todo Remove in https://www.drupal.org/node/2825487.
+    $has_canonical_url = $has_canonical_url && !static::$entityTypeId === 'file';
 
     // The URL and Guzzle request options that will be used in this test. The
     // request options will be modified/expanded throughout this test:
@@ -1345,6 +1349,8 @@ protected function assertNormalizationEdgeCases($method, Url $url, array $reques
    */
   protected function getEntityResourceUrl() {
     $has_canonical_url = $this->entity->hasLinkTemplate('canonical');
+    // @todo Remove in https://www.drupal.org/node/2825487.
+    $has_canonical_url = $has_canonical_url && !static::$entityTypeId === 'file';
     // Note that the 'canonical' link relation type must be specified explicitly
     // in the call to ::toUrl(). 'canonical' is the default for
     // \Drupal\Core\Entity\Entity::toUrl(), but ConfigEntityBase overrides this.
@@ -1479,6 +1485,8 @@ protected function assert406Response(ResponseInterface $response) {
    */
   protected function assertResourceNotAvailable(Url $url, array $request_options) {
     $has_canonical_url = $this->entity->hasLinkTemplate('canonical');
+    // @todo Remove in https://www.drupal.org/node/2825487.
+    $has_canonical_url = $has_canonical_url && !static::$entityTypeId === 'file';
     $response = $this->request('GET', $url, $request_options);
     if (!$has_canonical_url) {
       $this->assertSame(404, $response->getStatusCode());