fix tests

src/error.rs

@@ -151,7 +151,7 @@ impl fmt::Display for CmdError {
             }
         }
         if self.stdout.len() > 0 {
-            write!(f, "stdout suffix\n{}\n", String::from_utf8_lossy(&self.stdout))?;
+            write!(f, "stdout suffix:\n{}\n", String::from_utf8_lossy(&self.stdout))?;
         }
         if self.stderr.len() > 0 {
             write!(f, "stderr suffix:\n{}\n", String::from_utf8_lossy(&self.stderr))?;

src/exec.rs

@@ -72,7 +72,7 @@ pub(crate) fn exec(
     deadline: Option<Instant>,
 ) -> ExecResult {
     let mut result = ExecResult::default();
-    command.stdin(if stdin_contents.is_some() { Stdio::inherit() } else { Stdio::null() });
+    command.stdin(if stdin_contents.is_some() { Stdio::piped() } else { Stdio::null() });
     command.stdout(Stdio::piped());
     command.stderr(Stdio::piped());
     let mut child = match command.spawn() {

tests/it/main.rs

@@ -141,7 +141,17 @@ fn exit_status() {
     let sh = setup();
 
     let err = cmd!(sh, "xecho -f").read().unwrap_err();
-    assert_eq!(err.to_string(), "command exited with non-zero code `xecho -f`: 1");
+    assert_eq!(
+        err.to_string(),
+        r#"command exited with non-zero code `xecho -f`: 1
+stdout suffix:
+
+
+stderr suffix:
+other error
+
+"#
+    );
 }
 
 #[test]
@@ -150,7 +160,11 @@ fn exit_status_signal() {
     let sh = setup();
 
     let err = cmd!(sh, "xecho -s").read().unwrap_err();
-    assert_eq!(err.to_string(), "command was terminated by a signal `xecho -s`: 9");
+    assert_eq!(err.to_string(), r#"command was terminated by a signal `xecho -s`: 9
+stdout suffix:
+
+
+"#);
 }
 
 #[test]
@@ -226,7 +240,8 @@ bar
         "\
 foo
 baz
-bar"
+bar
+"
     )
 }