Cleanup phpunit configs and PSR-4 autoloading and namespaces for tests

tests/Unit/Coordinate/PointTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tests\FFMpeg\Unit\Coordinate;
+
+use Tests\FFMpeg\Unit\TestCase;
+use FFMpeg\Coordinate\Point;
+
+class PointTest extends TestCase
+{
+    public function testGetters()
+    {
+        $point = new Point(4, 25);
+        $this->assertEquals(4, $point->getX());
+        $this->assertEquals(25, $point->getY());
+    }
+}