Add test framework to test

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

e2e-tests/tests/30_fetch.sh

@@ -1,26 +1,17 @@
 #!/usr/bin/bash
 
-echo "Test encryption for certificate an a keyserver"
+# source some functions
+. common.sh
+
+test_header "Test encryption for certificate an a keyserver"
 
 # There is a certificate for carol on the keyserver
 # it's certified by an introducer
-adduser --shell /bin/bash --disabled-password --gecos "" carol
-echo "test mail" | sendmail carol@example.com
+create_unix_user carol
+send_test_mail carol@example.com
 
-sleep 1
+RESULT_CODE=$(expect_mail carol encrypted)
 
-if [ -f /var/mail/carol ] ; then
-  if grep -q "BEGIN PGP MESSAGE" /var/mail/carol ; then
-    RESULT_CODE=0
-  else
-    echo "no encryption detected"
-    RESULT_CODE=1
-  fi
-else
-  echo "no mail detected"
-  RESULT_CODE=1 
-fi
-
-deluser --remove-home carol
+delete_unix_user carol
 
 exit $RESULT_CODE