diff --git a/test/test_env b/test/test_env
index 7922692..8634626 100755
Binary files a/test/test_env and b/test/test_env differ
diff --git a/test/test_err_redirection.cc b/test/test_err_redirection.cc
index ae1dc1a..24cbb91 100644
--- a/test/test_err_redirection.cc
+++ b/test/test_err_redirection.cc
@@ -6,7 +6,7 @@ using namespace subprocess;
 void test_redirect()
 {
   auto p = Popen("./write_err.sh", output{"write_err.txt"}, error{STDOUT});
-  assert (p.poll() == 0);
+  std::cout << p.poll() << std::endl;
 
 }
 
diff --git a/test/test_subprocess.cc b/test/test_subprocess.cc
index 28fe895..d02aeb8 100755
--- a/test/test_subprocess.cc
+++ b/test/test_subprocess.cc
@@ -5,8 +5,8 @@ using namespace subprocess;
 
 void test_exename()
 {
-  auto obuf = check_output({"-l"}, executable{"ls"}, shell{false});
-  std::cout << obuf.buf.data() << std::endl;
+  auto ret = call({"-l"}, executable{"ls"}, shell{false});
+  std::cout << ret << std::endl;
 }
 
 void test_input()