fix: unit tests

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

tests/php/Unit/Service/RequestSignatureServiceTest.php

@@ -90,7 +90,7 @@ public function setUp(): void {
 		$this->docMdpConfigService = $this->createMock(DocMdpConfigService::class);
 	}
 
-	private function getService(?SequentialSigningService $sequentialSigningService = null): RequestSignatureService {
+	private function getService(): RequestSignatureService {
 		return new RequestSignatureService(
 			$this->l10n,
 			$this->identifyMethodService,
@@ -107,7 +107,7 @@ private function getService(?SequentialSigningService $sequentialSigningService
 			$this->client,
 			$this->docMdpHandler,
 			$this->loggerInterface,
-			$sequentialSigningService ?? $this->sequentialSigningService,
+			$this->sequentialSigningService,
 			$this->appConfig,
 			$this->eventDispatcher,
 			$this->fileStatusService,

tests/php/Unit/Service/SignFileServiceTest.php

@@ -284,7 +284,7 @@ public function testSignGenerateASha256OfSignedFile(string $signedContent):void
 		$nextcloudFile = $this->createMock(\OCP\Files\File::class);
 		$nextcloudFile->method('getContent')->willReturn($signedContent);
 		$service->method('getNextcloudFile')->willReturn($nextcloudFile);
-		$service->method('validateDocMdpAllowsSignatures')->willReturn(null);
+		$service->method('validateDocMdpAllowsSignatures');
 
 		$pkcs12Handler = $this->createMock(Pkcs12Handler::class);
 		$pkcs12Handler->method('sign')->willReturn($nextcloudFile);
@@ -340,7 +340,7 @@ public function testUpdateDatabaseWhenSign(): void {
 		$nextcloudFile = $this->createMock(\OCP\Files\File::class);
 		$nextcloudFile->method('getContent')->willReturn('pdf content');
 		$service->method('getNextcloudFile')->willReturn($nextcloudFile);
-		$service->method('validateDocMdpAllowsSignatures')->willReturn(null);
+		$service->method('validateDocMdpAllowsSignatures');
 
 		$this->fileMapper->expects($this->once())->method('update');
 		$this->signRequestMapper->expects($this->once())->method('update');
@@ -381,7 +381,7 @@ public function testDispatchEventWhenSign(): void {
 		$nextcloudFile = $this->createMock(\OCP\Files\File::class);
 		$nextcloudFile->method('getContent')->willReturn('pdf content');
 		$service->method('getNextcloudFile')->willReturn($nextcloudFile);
-		$service->method('validateDocMdpAllowsSignatures')->willReturn(null);
+		$service->method('validateDocMdpAllowsSignatures');
 
 		$this->eventDispatcher
 			->expects($this->once())