dpi
--- a/core/modules/taxonomy/tests/src/Functional/TermTest.php
+++ b/core/modules/taxonomy/tests/src/Functional/TermTest.php
+    $this->drupalGet($term->toUrl('edit-form'));
+    $this->submitForm(edit: [], submit: 'Save');
+
+    // Updating a term sends user to view the term.
+    $this->assertSession()->addressEquals($term->toUrl()->toString());
+    $this->assertSession()->pageTextContains('Updated term');
+
+    // Unless the term is not accessible to the user.
+    // Label triggers forbidden in taxonomy_test_entity_access().
+    $term = Term::create(['vid' => $this->vocabulary->id(), 'name' => 'Inaccessible view']);
+    $term->save();
+    $this->drupalGet($term->toUrl('edit-form'));
+    $this->submitForm(edit: [], submit: 'Save');
+
+    // In which case, the edit form is reloaded.
+    $this->assertSession()->addressEquals($term->toUrl('edit-form'));
-    $this->assertSession()->addressEquals($term->toUrl('edit-form'));
+    $this->assertSession()->addressEquals($term->toUrl('edit-form')->setAbsolute());