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diff --git a/src/mailman/commands/tests/test_eml_help.py b/src/mailman/commands/tests/test_eml_help.py
new file mode 100644
index 000000000..3090de9cc
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+++ b/src/mailman/commands/tests/test_eml_help.py
@@ -0,0 +1,62 @@
+# Copyright (C) 2012-2017 by the Free Software Foundation, Inc.
+#
+# This file is part of GNU Mailman.
+#
+# GNU Mailman is free software: you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Additional tests for the `help` email command."""
+
+import unittest
+
+from mailman.app.lifecycle import create_list
+from mailman.commands.eml_help import Help
+from mailman.email.message import Message
+from mailman.interfaces.command import ContinueProcessing
+from mailman.runners.command import Results
+from mailman.testing.layers import ConfigLayer
+
+
+class TestHelp(unittest.TestCase):
+    """Test email help."""
+
+    layer = ConfigLayer
+
+    def setUp(self):
+        self._mlist = create_list('test@example.com')
+        self._help = Help()
+
+    def test_too_many_arguments(self):
+        # Error message when too many help arguments are given.
+        results = Results()
+        status = self._help.process(self._mlist, Message(), {},
+                                    ('more', 'than', 'one'),
+                                    results)
+        self.assertEqual(status, ContinueProcessing.no)
+        self.assertEqual(str(results), """\
+The results of your email command are provided below.
+
+help: too many arguments: more than one
+""")
+
+    def test_no_such_command(self):
+        # Error message when asking for help on an existent command.
+        results = Results()
+        status = self._help.process(self._mlist, Message(), {},
+                                    ('doesnotexist',), results)
+        self.assertEqual(status, ContinueProcessing.no)
+        self.assertEqual(str(results), """\
+The results of your email command are provided below.
+
+help: no such command: doesnotexist
+""")