Fix coding standard

tests/TestCase/Database/QueryTest.php

@@ -84,7 +84,7 @@ class QueryTest extends TestCase
         $this->assertSame(Connection::ROLE_WRITE, $selectQuery->useWriteRole()->getConnectionRole());
     }
 
-    protected function newQuery(): \Cake\Database\Query
+    protected function newQuery(): Query
     {
         return new class ($this->connection) extends Query
         {

tests/TestCase/Error/DebuggerTest.php

@@ -601,7 +601,7 @@ TEXT;
         $this->assertDoesNotMatchRegularExpression('/^Cake\\\Test\\\TestCase\\\Error\\\DebuggerTest..testTraceExclude/m', $result);
     }
 
-    protected function _makeException(): \RuntimeException
+    protected function _makeException(): RuntimeException
     {
         return new RuntimeException('testing');
     }