Test on Linux and OSX

.travis.yml

@@ -1,4 +1,8 @@
 language: python
+os:
+  - linux
+  - osx
+
 python:
   - "2.7"
   - "3.6"

maya/__version__.py

@@ -1 +1 @@
-__version__ = '0.4.3'
+__version__ = '0.4.2'

maya/core.py

@@ -277,7 +277,7 @@ class MayaDT(object):
 
     def rfc3339(self):
         """Returns an RFC 3339 representation of the MayaDT."""
-        return self.datetime().strftime("%Y-%m-%dT%H:%M:%S.%f")[:-5] + "Z"
+        return self.datetime().strftime("%Y-%m-%dT%H:%M:%S.%f")[:-4] + "Z"
 
     # Properties
     # ----------

tests/test_maya.py

@@ -239,20 +239,13 @@ def test_datetime_to_timezone():
     assert dt.tzinfo.zone == 'US/Eastern'
 
 
-def test_rfc3339_epoch():
+def test_rfc3339():
     mdt = maya.when('2016-01-01')
     out = mdt.rfc3339()
     mdt2 = maya.MayaDT.from_rfc3339(out)
     assert mdt.epoch == mdt2.epoch
 
 
-def test_rfc3339_format():
-    rfc3339 = maya.MayaDT.rfc3339(maya.when('2016-01-01T12:03:03Z'))
-    # it's important that the string has got a "max 1-digit millis" fragment
-    # as per https://tools.ietf.org/html/rfc3339#section-5.6
-    assert rfc3339 == '2016-01-01T12:03:03.0Z'
-
-
 @pytest.mark.usefixtures("frozen_now")
 def test_comparison_operations():
     now = maya.now()