Fix open_basedir tests when running from /tmp

If our cwd is in /tmp, these tests would fail. Use a directory
name that is less likely to clash.

Author: nikic

ext/standard/tests/file/bug41655_1.phpt

@@ -9,7 +9,7 @@ if (substr(PHP_OS, 0, 3) == 'WIN') {
 --CREDITS--
 Dave Kelsey <[email protected]>
 --INI--
-open_basedir="{TMP}"
+open_basedir="/some_directory_we_are_hopefully_not_running_tests_from"
 --FILE--
 <?php
 $a=glob("./*.jpeg");

ext/standard/tests/file/glob_variation5.phpt

@@ -6,7 +6,8 @@ Test glob() function: ensure no platform difference, variation 3
 <?php
 $path = __DIR__;
 
-ini_set('open_basedir', '/tmp');
+$open_basedir = '/some_directory_we_are_hopefully_not_running_tests_from';
+ini_set('open_basedir', $open_basedir);
 
 var_dump(glob("$path/*.none"));
 var_dump(glob("$path/?.none"));
@@ -15,7 +16,7 @@ var_dump(glob("$path/*/nothere"));
 var_dump(glob("$path/[aoeu]*.none"));
 var_dump(glob("$path/directly_not_exists"));
 
-var_dump('/tmp' == ini_get('open_basedir'));
+var_dump($open_basedir == ini_get('open_basedir'));
 ?>
 --EXPECT--
 bool(false)