Fix session test failures as reported by Antony Dovgal.

These were caused by the tests assuming default values for some session
configuration settings, in particular session.save_path and session.name.
The tests now explicitly set these settings in the --INI-- section.

ext/session/tests/session_id_variation1.phpt

@@ -35,12 +35,12 @@ ob_end_flush();
 string(1) "0"
 string(0) ""
 bool(true)
-string(32) "%s"
+string(%d) "%s"
 bool(true)
 string(1) "0"
 string(0) ""
 bool(true)
-string(40) "%s"
+string(%d) "%s"
 bool(true)
 Done
 

ext/session/tests/session_id_variation2.phpt

@@ -45,12 +45,12 @@ string(1) "0"
 string(1) "0"
 string(0) ""
 bool(true)
-string(32) "%s"
+string(%d) "%s"
 bool(true)
 string(1) "0"
 string(0) ""
 bool(true)
-string(40) "%s"
+string(%d) "%s"
 bool(true)
 bool(true)
 Done

ext/session/tests/session_save_path_variation4.phpt

@@ -8,6 +8,8 @@ if(substr(PHP_OS, 0, 3) != "WIN")
 --INI--
 open_basedir=.
 session.save_handler=files
+session.save_path=
+session.name=PHPSESSID
 --FILE--
 <?php
 

ext/session/tests/session_save_path_variation5.phpt

@@ -8,6 +8,8 @@ if(substr(PHP_OS, 0, 3) == "WIN")
 --INI--
 open_basedir=.
 session.save_handler=files
+session.save_path=
+session.name=PHPSESSID
 --FILE--
 <?php
 
@@ -25,6 +27,11 @@ $sessions = ($directory."/sessions");
 
 chdir($directory);
 
+// Delete the existing directory
+if (file_exists($sessions) === TRUE) {
+	@rmdir($sessions);
+}
+
 var_dump(mkdir($sessions));
 var_dump(chdir($sessions));
 ini_set("session.save_path", $directory);

ext/session/tests/session_set_save_handler_variation4.phpt

@@ -6,6 +6,8 @@ Test session_set_save_handler() function : variation
 session.gc_probability=1
 session.gc_divisor=1
 session.gc_maxlifetime=0
+session.save_path=
+session.name=PHPSESSID
 --FILE--
 <?php