Add test framework to test

- Mail encryption (when expected)
- Introducer listing, adding and removing
- Locals listing, adding and removing

e2e-tests/tests/21_simple_not_encrypt.sh

@@ -1,25 +1,16 @@
 #!/usr/bin/bash
 
-echo "Simple: Test encryption for unavailable certificate"
+# source some functions
+. common.sh
+
+test_header "Simple: Test encryption for unavailable certificate"
 
 # There is no authenticated certificate for alice in the cert store
-adduser --shell /bin/bash --disabled-password --gecos "" alice
-echo "test mail" | sendmail alice@example.com
+create_unix_user alice
+send_test_mail alice@example.com
 
-sleep 1
+RESULT_CODE=$(expect_mail alice unencrypted)
 
-if [ -f /var/mail/alice ] ; then
-  if grep -q "BEGIN PGP MESSAGE" /var/mail/alice ; then
-    echo "encryption detected - that is wrong"
-    RESULT_CODE=1
-  else
-    RESULT_CODE=0
-  fi
-else
-  echo "no mail detected"
-  RESULT_CODE=1 
-fi
-
-deluser --remove-home alice
+delete_unix_user alice
 
 exit $RESULT_CODE