Add module integration tests

tests/mods/modules/imagick/imagick.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * This page should print 'OK' if everything works,
+ * 'FAIL' or nothing if an error occured.
+ */
+ini_set('display_startup_errors', 1);
+ini_set('display_errors', 1);
+error_reporting(-1);
+
+/* Set width and height in proportion of genuine PHP logo */
+$width = 400;
+$height = 210;
+
+/* Create an Imagick object with transparent canvas */
+$img = new Imagick();
+
+if ($img->newImage($width, $height, new ImagickPixel('transparent')) !== TRUE) {
+	echo 'FAIL: imagecreatetruecolor()';
+	exit(1);
+}
+
+/* New ImagickDraw instance for ellipse draw */
+$draw = new ImagickDraw();
+/* Set purple fill color for ellipse */
+$draw->setFillColor('#777bb4');
+/* Set ellipse dimensions */
+$draw->ellipse($width / 2, $height / 2, $width / 2, $height / 2, 0, 360);
+/* Draw ellipse onto the canvas */
+$img->drawImage($draw);
+
+/* Reset fill color from purple to black for text (note: we are reusing ImagickDraw object) */
+$draw->setFillColor('black');
+
+if ($img->setImageFormat('png') !== TRUE) {
+	echo 'FAIL: imagecreatetruecolor()';
+	exit(1);
+}
+
+
+echo 'OK';