refactor(Tests): Adding a functionl test to check if the max results options is working

Author: DarrHeLL

src/Autocomplete/tests/Fixtures/Form/CategoryAutocompleteType.php

@@ -41,6 +41,7 @@ public function configureOptions(OptionsResolver $resolver)
             'attr' => [
                 'data-controller' => 'custom-autocomplete',
             ],
+            'max_results' => 5,
         ]);
     }
 

src/Autocomplete/tests/Functional/FieldAutocompleterTest.php

@@ -78,4 +78,16 @@ public function testItEnforcesSecurity(): void
             ->assertJsonMatches('length(results)', 3)
         ;
     }
+
+    public function testItCheckMaxResultsOption() : void
+    {
+        CategoryFactory::createMany(30, ['name' => 'foo']);
+
+        $this->browser()
+            ->throwExceptions()
+            ->get('/test/autocomplete/category_autocomplete_type?query=foo')
+            ->assertSuccessful()
+            ->assertJsonMatches('length(results)', 5)
+        ;
+    }
 }