diff --git a/tests/test-run-tests.t b/tests/test-run-tests.t
--- a/tests/test-run-tests.t
+++ b/tests/test-run-tests.t
@@ -1280,7 +1280,7 @@
   $ cp -R tmp tmpp
   $ cp tmp/test-uno.t test-solo.t
 
-  $ $PYTHON $TESTDIR/run-tests.py tmp/ test-solo.t tmpp
+  $ rt tmp/ test-solo.t tmpp
   .....
   # Ran 5 tests, 0 skipped, 0 failed.
   $ rm -rf tmp tmpp
@@ -1303,7 +1303,7 @@
   > EOF
 
   $ cd ..
-  $ $PYTHON $TESTDIR/run-tests.py tmp/test-*.t
+  $ rt tmp/test-*.t
   
   --- $TESTTMP/anothertests/tmp/test-folder-fail.t
   +++ $TESTTMP/anothertests/tmp/test-folder-fail.t.err