PHPUnit providers should be static method

Author: sasezaki

src/Test/LoggerInterfaceTest.php

@@ -54,7 +54,7 @@ public function testLogsAtAllLevels($level, $message)
         $this->assertEquals($expected, $this->getLogs());
     }
 
-    public function provideLevelsAndMessages()
+    public static function provideLevelsAndMessages()
     {
         return [
             LogLevel::EMERGENCY => [LogLevel::EMERGENCY, 'message of level emergency with context: {user}'],

tests/Test/TestLoggerTest.php

@@ -79,7 +79,7 @@ public function testHasRecord(string $level): void
         $this->assertTrue(call_user_func([$logger, $levelMethod.'ThatPasses'], fn (array $record) => $record['message'] === $level.' Message'), $levelMethod.'ThatMatches');
     }
 
-    public function getLogLevels(): array
+    public static function getLogLevels(): array
     {
         return [
             ['debug'],