diff --git a/test/columns.t b/test/columns.t
index bbba50e86..7a9d2d396 100755
--- a/test/columns.t
+++ b/test/columns.t
@@ -94,6 +94,7 @@ class TestDescriptionFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,description.donkey")
         self.assertEqual(err, "Unrecognized column format 'description.donkey'\n")
 
+
 class TestUUIDFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -124,6 +125,7 @@ class TestUUIDFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,uuid.donkey")
         self.assertEqual(err, "Unrecognized column format 'uuid.donkey'\n")
 
+
 class TestUrgencyFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -153,6 +155,7 @@ class TestUrgencyFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,urgency.donkey")
         self.assertEqual(err, "Unrecognized column format 'urgency.donkey'\n")
 
+
 class TestIDFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -177,6 +180,7 @@ class TestIDFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id.donkey")
         self.assertEqual(err, "Unrecognized column format 'id.donkey'\n")
 
+
 class TestStatusFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -221,6 +225,7 @@ class TestStatusFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,status.donkey")
         self.assertEqual(err, "Unrecognized column format 'status.donkey'\n")
 
+
 class TestRecurringAttributeFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -255,6 +260,7 @@ class TestRecurringAttributeFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,status,due,recur.duration,mask,imask,parent.donkey")
         self.assertEqual(err, "Unrecognized column format 'parent.donkey'\n")
 
+
 class TestProjectFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -296,6 +302,7 @@ class TestProjectFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,project.donkey,description")
         self.assertEqual(err, "Unrecognized column format 'project.donkey'\n")
 
+
 class TestTagsFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -326,6 +333,7 @@ class TestTagsFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,tags.donkey,description")
         self.assertEqual(err, "Unrecognized column format 'tags.donkey'\n")
 
+
 class TestDateFormats(TestCase):
     @classmethod
     def setUpClass(cls):
@@ -384,6 +392,24 @@ class TestDateFormats(TestCase):
         code, out, err = self.t.runError("xxx rc.report.xxx.columns:id,due.donkey,description")
         self.assertEqual(err, "Unrecognized column format 'due.donkey'\n")
 
+
+class TestCustomColumns(TestCase):
+    def setUp(self):
+        """Executed before each test in the class"""
+        self.t = Task()
+
+    def test_unrecognized_column(self):
+        """verify that using a bogus colum generates an error"""
+        self.t.config("report.foo.description", "DESC")
+        self.t.config("report.foo.columns",     "id,foo,description")
+        self.t.config("report.foo.sort",        "id+")
+        self.t.config("report.foo.filter",      "project:A")
+
+        # Generate the usage screen, and locate the custom report on it.
+        code, out, err = self.t.runError("foo")
+        self.assertIn("Unrecognized column name 'foo'.", err)
+
+
 class TestUDAFormats(TestCase):
     @classmethod
     def setUpClass(cls):
diff --git a/test/custom.columns.t b/test/custom.columns.t
deleted file mode 100755
index 673ee690d..000000000
--- a/test/custom.columns.t
+++ /dev/null
@@ -1,54 +0,0 @@
-#! /usr/bin/env perl
-################################################################################
-##
-## Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
-##
-## Permission is hereby granted, free of charge, to any person obtaining a copy
-## of this software and associated documentation files (the "Software"), to deal
-## in the Software without restriction, including without limitation the rights
-## to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-## copies of the Software, and to permit persons to whom the Software is
-## furnished to do so, subject to the following conditions:
-##
-## The above copyright notice and this permission notice shall be included
-## in all copies or substantial portions of the Software.
-##
-## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-## OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-## THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-## SOFTWARE.
-##
-## http://www.opensource.org/licenses/mit-license.php
-##
-################################################################################
-
-use strict;
-use warnings;
-use Test::More tests => 1;
-
-# Ensure environment has no influence.
-delete $ENV{'TASKDATA'};
-delete $ENV{'TASKRC'};
-
-# Create the rc file.
-if (open my $fh, '>', 'custom.rc')
-{
-  print $fh "data.location=.\n",
-            "report.foo.description=DESC\n",
-            "report.foo.columns=id,foo,description\n",
-            "report.foo.sort=id+\n",
-            "report.foo.filter=project:A\n";
-  close $fh;
-}
-
-# Generate the usage screen, and locate the custom report on it.
-my $output = qx{../src/task rc:custom.rc foo 2>&1 >/dev/null};
-like ($output, qr/Unrecognized column name 'foo'\.\n/, 'custom report spotted invalid column');
-
-# Cleanup.
-unlink qw(pending.data completed.data undo.data backlog.data custom.rc);
-exit 0;
-