os.path: test_path.py: Use paths relative to module dir.

Allows to run via test aggregators.

Author: Paul Sokolovsky

os.path/test_path.py

@@ -1,5 +1,10 @@
 import sys
-sys.path[0] = "os"
+
+dir = "."
+if "/" in __file__:
+    dir = __file__.rsplit("/", 1)[0]
+
+sys.path[0] = dir + "/os"
 from path import *
 
 assert split("") == ("", "")
@@ -9,9 +14,9 @@
 assert split("/foo/") == ("/foo", "")
 assert split("/foo/bar") == ("/foo", "bar")
 
-assert exists("test_path.py")
-assert not exists("test_path.py--")
+assert exists(dir + "/test_path.py")
+assert not exists(dir + "/test_path.py--")
 
-assert isdir("os")
-assert not isdir("os--")
-assert not isdir("test_path.py")
+assert isdir(dir + "/os")
+assert not isdir(dir + "/os--")
+assert not isdir(dir + "/test_path.py")