Don't generate script for proc_open_pipes tests

Commit the generated script instead, which is much simpler than
the code generating it...

Author: nikic

ext/standard/tests/general_functions/proc_open_pipes.inc

@@ -3,26 +3,17 @@ proc_open() with > 16 pipes
 --FILE--
 <?php
 
-include dirname(__FILE__) . "/proc_open_pipes.inc";
-
 for ($i = 3; $i<= 30; $i++) {
 	$spec[$i] = array('pipe', 'w');
 }
 
 $php = getenv("TEST_PHP_EXECUTABLE");
-$callee = create_sleep_script();
+$callee = __DIR__ . "/proc_open_pipes_sleep.inc";
 proc_open("$php -n $callee", $spec, $pipes);
 
 var_dump(count($spec));
 var_dump($pipes);
 
-?>
---CLEAN--
-<?php
-include dirname(__FILE__) . "/proc_open_pipes.inc";
-
-unlink_sleep_script();
-
 ?>
 --EXPECTF--
 int(28)

ext/standard/tests/general_functions/proc_open_pipes1.phpt

@@ -3,24 +3,15 @@ proc_open() with no pipes
 --FILE--
 <?php
 
-include dirname(__FILE__) . "/proc_open_pipes.inc";
-
 $spec = array();
 
 $php = getenv("TEST_PHP_EXECUTABLE");
-$callee = create_sleep_script();
+$callee = __DIR__ . "/proc_open_pipes_sleep.inc";
 proc_open("$php -n $callee", $spec, $pipes);
 
 var_dump(count($spec));
 var_dump($pipes);
 
-?>
---CLEAN--
-<?php
-include dirname(__FILE__) . "/proc_open_pipes.inc";
-
-unlink_sleep_script();
-
 ?>
 --EXPECT--
 int(0)

ext/standard/tests/general_functions/proc_open_pipes2.phpt

@@ -3,14 +3,12 @@ proc_open() with invalid pipes
 --FILE--
 <?php
 
-include dirname(__FILE__) . "/proc_open_pipes.inc";
-
 for ($i = 3; $i<= 5; $i++) {
 	$spec[$i] = array('pipe', 'w');
 }
 
 $php = getenv("TEST_PHP_EXECUTABLE");
-$callee = create_sleep_script();
+$callee = __DIR__ . "/proc_open_pipes_sleep.inc";
 
 $spec[$i] = array('pi');
 proc_open("$php -n $callee", $spec, $pipes);
@@ -27,13 +25,6 @@ proc_open("$php -n $callee", $spec, $pipes);
 var_dump($pipes);
 
 echo "END\n";
-?>
---CLEAN--
-<?php
-include dirname(__FILE__) . "/proc_open_pipes.inc";
-
-unlink_sleep_script();
-
 ?>
 --EXPECTF--
 Warning: proc_open(): pi is not a valid descriptor spec/mode in %s on line %d

ext/standard/tests/general_functions/proc_open_pipes3.phpt

@@ -0,0 +1,2 @@
+<?php
+sleep(1);