fix tests

Author: aguingand

tests/Http/Api/Commands/ApiEntityListEntityCommandControllerTest.php

@@ -430,7 +430,7 @@ public function execute(array $data = []): array
     $response = $this
         ->postJson(route('code16.sharp.api.list.command.entity', ['person', 'cmd']))
         ->assertOk()
-        ->assertHeader('content-type', 'text/html; charset=UTF-8');
+        ->assertHeader('content-type', 'text/html; charset=utf-8');
 
     expect($response->headers->get('content-disposition'))
         ->toContain('stream.txt');

tests/Http/Api/Commands/ApiEntityListInstanceCommandControllerTest.php

@@ -315,7 +315,7 @@ public function execute($instanceId, array $data = []): array
     $response = $this
         ->postJson(route('code16.sharp.api.list.command.instance', ['person', 'instance_streamDownload', 1]))
         ->assertOk()
-        ->assertHeader('content-type', 'text/html; charset=UTF-8');
+        ->assertHeader('content-type', 'text/html; charset=utf-8');
 
     expect($response->headers->get('content-disposition'))
         ->toContain('stream.txt');

tests/Http/ExceptionTest.php

@@ -116,5 +116,5 @@ public function getListData(): array
 
     $this->getJson('/sharp/api/list/person')
         ->assertStatus(500)
-        ->assertHeader('Content-Type', 'text/html; charset=UTF-8');
+        ->assertHeader('Content-Type', 'text/html; charset=utf-8');
 });