Remove the duplicate 'Warning' prefix now that the logger adds the prefix.

Signed-off-by: Daniel Nephin <dnephin@docker.com>

tests/unit/cli/formatter_test.py

@@ -0,0 +1,35 @@
+from __future__ import absolute_import
+from __future__ import unicode_literals
+
+import logging
+
+from compose.cli import colors
+from compose.cli.formatter import ConsoleWarningFormatter
+from tests import unittest
+
+
+MESSAGE = 'this is the message'
+
+
+def makeLogRecord(level):
+    return logging.LogRecord('name', level, 'pathame', 0, MESSAGE, (), None)
+
+
+class ConsoleWarningFormatterTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.formatter = ConsoleWarningFormatter()
+
+    def test_format_warn(self):
+        output = self.formatter.format(makeLogRecord(logging.WARN))
+        expected = colors.yellow('WARNING') + ': '
+        assert output == expected + MESSAGE
+
+    def test_format_error(self):
+        output = self.formatter.format(makeLogRecord(logging.ERROR))
+        expected = colors.red('ERROR') + ': '
+        assert output == expected + MESSAGE
+
+    def test_format_info(self):
+        output = self.formatter.format(makeLogRecord(logging.INFO))
+        assert output == MESSAGE