tests: add missing function imports

tests/phpunit/level/format/io/region/RegionLocationTableEntryTest.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\level\format\io\region;
 
 use PHPUnit\Framework\TestCase;
+use function sprintf;
 
 class RegionLocationTableEntryTest extends TestCase{
 

tests/phpunit/utils/ConfigTest.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\utils;
 
 use PHPUnit\Framework\TestCase;
+use function yaml_parse;
 
 class ConfigTest extends TestCase{
 

tests/plugins/TesterPlugin/src/pmmp/TesterPlugin/Main.php

@@ -26,6 +26,7 @@ namespace pmmp\TesterPlugin;
 use pocketmine\event\Listener;
 use pocketmine\event\server\CommandEvent;
 use pocketmine\plugin\PluginBase;
+use function array_shift;
 
 class Main extends PluginBase implements Listener{
 

tests/plugins/TesterPlugin/src/pmmp/TesterPlugin/Test.php

@@ -23,6 +23,8 @@ declare(strict_types=1);
 
 namespace pmmp\TesterPlugin;
 
+use function time;
+
 abstract class Test{
 	const RESULT_WAITING = -1;
 	const RESULT_OK = 0;

tests/plugins/TesterPlugin/src/pmmp/TesterPlugin/tests/AsyncTaskMainLoggerTest.php

@@ -28,7 +28,10 @@ use pocketmine\scheduler\AsyncTask;
 use pocketmine\Server;
 use pocketmine\utils\AssumptionFailedError;
 use pocketmine\utils\MainLogger;
+use function ob_end_flush;
 use function ob_get_contents;
+use function ob_start;
+use function strpos;
 
 class AsyncTaskMainLoggerTest extends Test{
 

tests/plugins/TesterPlugin/src/pmmp/TesterPlugin/tests/AsyncTaskMemoryLeakTest.php

@@ -25,6 +25,7 @@ namespace pmmp\TesterPlugin\tests;
 
 use pmmp\TesterPlugin\Test;
 use pocketmine\scheduler\AsyncTask;
+use function usleep;
 
 class AsyncTaskMemoryLeakTest extends Test{