Add test for pcntl_getpriority() basic behaviour

Author: galvao

ext/pcntl/tests/pcntl_getpriority_basic.phpt

@@ -0,0 +1,19 @@
+--TEST--
+pcntl_getpriority() - Basic behaviour
+--CREDITS--
+Er Galvão Abbott [email protected]
+# TestFest 2017 PHPRS PHP UG 2017-10-29
+--SKIPIF--
+<?php
+if (!extension_loaded('pcntl')) {
+    die('skip - ext/pcntl not loaded');
+} else if (!function_exists('pcntl_getpriority')) {
+    die('skip - pcntl_getpriority doesn\'t exist');
+}
+?>
+--FILE--
+<?php
+var_dump(pcntl_getpriority());
+?>
+--EXPECTF--
+int(%d)