Make test work when called from runtests which changes cwd

1 files changed, 1 insertions, 1 deletions

diff --git a/test/it_pipe.t b/test/it_pipe.t
index 79c27b2..734b7fa 100755
--- a/test/it_pipe.t
+++ b/test/it_pipe.t
@@ -2,7 +2,7 @@
 <?php
 
 # it::cat frontend
-is(it::cat("test/it_pipe.t")->lines[1],                 "<?php");
+is(it::cat($argv[0])->lines[1],                         "<?php");
 is(it::cat(['data' => "foo"])->lines(),                 ["foo"]);
 is(it::pipe('echo {x}', ['x' => "foo"])->lines(),       ["foo"]);
 is(it::pipe('echo {0}{1}', "f", "oo")->lines(),         ["foo"]);