Test that query time is expressed in milliseconds

Author: GromNaN

tests/ConnectionTest.php

@@ -289,6 +289,8 @@ public function testQueryLog()
         DB::table('items')->get();
         $this->assertCount(1, $logs = DB::getQueryLog());
         $this->assertJsonStringEqualsJsonString('{"find":"items","filter":{}}', $logs[0]['query']);
+        $this->assertLessThan(10, $logs[0]['time'], 'Query time is in milliseconds');
+        $this->assertGreaterThan(0.01, $logs[0]['time'], 'Query time is in milliseconds');
 
         DB::table('items')->insert(['id' => $id = new ObjectId(), 'name' => 'test']);
         $this->assertCount(2, $logs = DB::getQueryLog());