Added PHP and core load collector.

tests/Record/CoreTest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Rarst\Laps\Tests\Record;
+
+use Rarst\Laps\Record\Core_Load_Collector;
+use Rarst\Laps\Record\Record_Interface;
+use Rarst\Laps\Tests\LapsTestCase;
+
+class CoreTest extends LapsTestCase {
+
+	public function testCollector() {
+
+		$collector = new Core_Load_Collector();
+
+		$records = $collector->get_records();
+
+		$this->assertInternalType( 'array', $records );
+		$this->assertCount( 2, $records );
+		$this->assertInstanceOf( Record_Interface::class, $records[0] );
+	}
+}