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/src/Core/Lock/APCuCacheLockTest.php

@@ -29,7 +29,7 @@ use Friendica\Core\Lock\CacheLock;
  */
 class APCuCacheLockTest extends LockTest
 {
-	protected function setUp()
+	protected function setUp(): void
 	{
 		if (!APCuCache::isAvailable()) {
 			static::markTestSkipped('APCu is not available');

tests/src/Core/Lock/DatabaseLockDriverTest.php

@@ -38,10 +38,12 @@ class DatabaseLockDriverTest extends LockTest
 
 	protected $pid = 123;
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		$this->setUpVfsDir();
 
+		$this->setUpDb();
+
 		parent::setUp();
 	}
 
@@ -60,4 +62,11 @@ class DatabaseLockDriverTest extends LockTest
 
 		return new DatabaseLock($dba, $this->pid);
 	}
+
+	protected function tearDown(): void
+	{
+		$this->tearDownDb();
+
+		parent::tearDown();
+	}
 }

tests/src/Core/Lock/LockTest.php

@@ -38,7 +38,7 @@ abstract class LockTest extends MockedTest
 
 	abstract protected function getInstance();
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		parent::setUp();
 
@@ -46,7 +46,7 @@ abstract class LockTest extends MockedTest
 		$this->instance->releaseAll(true);
 	}
 
-	protected function tearDown()
+	protected function tearDown(): void
 	{
 		$this->instance->releaseAll(true);
 		parent::tearDown();

tests/src/Core/Lock/SemaphoreLockTest.php

@@ -32,7 +32,7 @@ use Mockery\MockInterface;
 
 class SemaphoreLockTest extends LockTest
 {
-	protected function setUp()
+	protected function setUp(): void
 	{
 		/** @var MockInterface|Dice $dice */
 		$dice = Mockery::mock(Dice::class)->makePartial();