Fix tests

- Fix InstallerTest case
- Fix native function mocking
- Add returntype for Unit-Tests
- Fixing ExtendedPDO test troubles
- Fix wrong class inheritance path for DatabaseTestTrait.php
- Fix SyslogLogger Server Exception for PHP8
- Add user/contact to database.fixture.php
- Avoid invalid rollbacks for test setup in PHP8

tests/datasets/storage/database.fixture.php

@@ -19,11 +19,43 @@
  *
  */
 
+use Friendica\Core\Protocol;
+use Friendica\Model\Contact;
+
 return [
+	'user'    => [
+		[
+			'uid'      => 42,
+			'username' => 'Test user',
+			'nickname' => 'selfcontact',
+			'verified' => 1,
+			'password' => '$2y$10$DLRNTRmJgKe1cSrFJ5Jb0edCqvXlA9sh/RHdSnfxjbR.04yZRm4Qm',
+			'theme'    => 'frio',
+		],
+	],
+	'contact' => [
+		[
+			'id'      => 42,
+			'uid'     => 42,
+			'name'    => 'Self contact',
+			'nick'    => 'selfcontact',
+			'self'    => 1,
+			'nurl'    => 'http://localhost/profile/selfcontact',
+			'url'     => 'http://localhost/profile/selfcontact',
+			'about'   => 'User used in tests',
+			'pending' => 0,
+			'blocked' => 0,
+			'rel'     => Contact::FOLLOWER,
+			'network' => Protocol::DFRN,
+			'location' => 'DFRN',
+		],
+	],
 	'photo'   => [
 		// move from data-attribute to storage backend
 		[
 			'id'            => 1,
+			'uid'           => 42,
+			'contact-id'    => 42,
 			'backend-class' => null,
 			'backend-ref'   => 'f0c0d0i2',
 			'data'          => 'without class',
@@ -31,6 +63,8 @@ return [
 		// move from storage-backend to maybe filesystem backend, skip at database backend
 		[
 			'id'            => 2,
+			'uid'           => 42,
+			'contact-id'    => 42,
 			'backend-class' => 'Database',
 			'backend-ref'   => 1,
 			'data'          => '',
@@ -38,6 +72,8 @@ return [
 		// move data if invalid storage
 		[
 			'id'            => 3,
+			'uid'           => 42,
+			'contact-id'    => 42,
 			'backend-class' => 'invalid!',
 			'backend-ref'   => 'unimported',
 			'data'          => 'invalid data moved',
@@ -45,6 +81,8 @@ return [
 // @todo Check failing test because of this (never loaded) fixture
 //		[
 //			'id'            => 4,
+//			'uid'           => 42,
+//			'contact-id'    => 42,
 //			'backend-class' => 'invalid!',
 //			'backend-ref'   => 'unimported',
 //			'data'          => '',