diff --git a/test/which.bats b/test/which.bats
index e6c4ee69..aca2bd8d 100644
--- a/test/which.bats
+++ b/test/which.bats
@@ -80,6 +80,13 @@ create_executable() {
   assert_failure <<OUT
 pyenv: version \`2.7' is not installed (set by PYENV_VERSION environment variable)
 pyenv: version \`3.3' is not installed (set by PYENV_VERSION environment variable)
+pyenv: py.test: command not found
+   
+The \`py.test' command exists in these Python versions:
+  3.4
+
+ Note: See 'pyenv help global' for tips on allowing both
+       python2 and python3 to be found.
 OUT
 }