Pass remote sudo password in tests (#79)

tests/thread_tests/remote.go

@@ -142,6 +142,13 @@ func remote_exec(t *testing.T, command string) string {
 
 	t.Logf("[exec-ssh] %s", command)
 
+	// Remote commands that require sudo might ask for the password. Always pass it in. See https://stackoverflow.com/a/11955358
+	if strings.HasPrefix(command, "sudo ") {
+		command = strings.TrimPrefix(command, "sudo ")
+		escapedPassword := strings.ReplaceAll(remotePassword, `"`, `\"`)
+		command = fmt.Sprintf(`echo "%s" | sudo -S %s`, escapedPassword, command)
+	}
+
 	if SSHClient == nil {
 		t.Fatalf("SSH client not initialized. Please connect to remote device first")
 	}