Merge pull request #10119 from nextcloud/refactor/phpunit-code-quality

refactor(rector): Enable PHPUnit code quality refactorings

rector.php

@@ -16,4 +16,8 @@
 	])
 	->withSkip([
 		__DIR__ . '/lib/Vendor'
-	]);
+	])
+	->withPreparedSets(
+		phpunitCodeQuality: true,
+		phpunit: true,
+	);

tests/Integration/Db/ProvisioningMapperTest.php

@@ -150,9 +150,7 @@ public function testGetAll() {
 
 		$this->assertIsArray($results);
 		$this->assertNotEmpty($results);
-		foreach ($results as $result) {
-			$this->assertInstanceOf(Provisioning::class, $result);
-		}
+		$this->assertContainsOnlyInstancesOf(Provisioning::class, $results);
 	}
 
 	public function testGet() {

tests/Integration/Service/FolderMapperIntegrationTest.php

@@ -50,8 +50,6 @@ public function testGetFolders() {
 		$folders = $this->mapper->getFolders($account, $client);
 
 		$this->assertGreaterThan(1, count($folders));
-		foreach ($folders as $folder) {
-			$this->assertInstanceOf(Folder::class, $folder);
-		}
+		$this->assertContainsOnlyInstancesOf(Folder::class, $folders);
 	}
 }