diff --git a/.travis.yml b/.travis.yml
index 7479c36df..5f79ae8e1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,7 +41,7 @@ install:
 
   # Customise the testing environment
   # ---------------------------------
-  - conda config --add channels scitools
+  - conda config --add channels conda-forge
   - PACKAGES="$PACKAGES cython pillow nose pep8 proj4 pyshp shapely six requests pyepsg owslib"
   - conda install --quiet $PACKAGES
 
diff --git a/lib/cartopy/tests/mpl/test_img_transform.py b/lib/cartopy/tests/mpl/test_img_transform.py
index 6e685037b..321d5be04 100644
--- a/lib/cartopy/tests/mpl/test_img_transform.py
+++ b/lib/cartopy/tests/mpl/test_img_transform.py
@@ -1,4 +1,4 @@
-# (C) British Crown Copyright 2011 - 2016, Met Office
+# (C) British Crown Copyright 2011 - 2017, Met Office
 #
 # This file is part of cartopy.
 #
@@ -91,7 +91,7 @@ def test_different_dims(self):
                             target_proj, target_x, target_y)
 
 
-@ImageTesting(['regrid_image'], tolerance=0.4)
+@ImageTesting(['regrid_image'], tolerance=0.7)
 def test_regrid_image():
     # Source data
     fname = os.path.join(config["repo_data_dir"], 'raster', 'natural_earth',
diff --git a/lib/cartopy/tests/mpl/test_mpl_integration.py b/lib/cartopy/tests/mpl/test_mpl_integration.py
index 876af785c..ef9ee12ab 100644
--- a/lib/cartopy/tests/mpl/test_mpl_integration.py
+++ b/lib/cartopy/tests/mpl/test_mpl_integration.py
@@ -1,4 +1,4 @@
-# (C) British Crown Copyright 2011 - 2016, Met Office
+# (C) British Crown Copyright 2011 - 2017, Met Office
 #
 # This file is part of cartopy.
 #
@@ -308,7 +308,7 @@ def test_pcolormesh_global_with_wrap3():
     ax.set_global()  # make sure everything is visible
 
 
-@ImageTesting(['pcolormesh_limited_area_wrap'])
+@ImageTesting(['pcolormesh_limited_area_wrap'], tolerance=0.7)
 def test_pcolormesh_limited_area_wrap():
     # make up some realistic data with bounds (such as data from the UM's North
     # Atlantic Europe model)
@@ -335,7 +335,7 @@ def test_pcolormesh_limited_area_wrap():
     # draw the same plot, only more zoomed in, and using the 2d versions
     # of the coordinates (just to test that 1d and 2d are both suitably
     # being fixed)
-    ax = plt.subplot(223, projection=ccrs.PlateCarree(180))
+    ax = plt.subplot(223, projection=ccrs.PlateCarree())
     plt.pcolormesh(x, y, data, transform=rp, cmap='Set1')
     ax.coastlines()
     ax.set_extent([-70, 0, 0, 80])
diff --git a/lib/cartopy/tests/test_crs.py b/lib/cartopy/tests/test_crs.py
index 71980bc63..2e6e93e94 100644
--- a/lib/cartopy/tests/test_crs.py
+++ b/lib/cartopy/tests/test_crs.py
@@ -1,4 +1,4 @@
-# (C) British Crown Copyright 2011 - 2016, Met Office
+# (C) British Crown Copyright 2011 - 2017, Met Office
 #
 # This file is part of cartopy.
 #
@@ -89,10 +89,10 @@ def test_osgb(self):
     def test_epsg(self):
         uk = ccrs.epsg(27700)
         self.assertEqual(uk.epsg_code, 27700)
-        self.assertEqual(uk.x_limits, (-84667.135022467002,
-                                       676354.14167904831))
-        self.assertEqual(uk.y_limits, (-2957.1831134549138,
-                                       1242951.4397385262
+        self.assertEqual(uk.x_limits, (-84667.135022467062,
+                                       676354.14167904819))
+        self.assertEqual(uk.y_limits, (-2957.1831134535023,
+                                       1242951.4397385279
                                        ))
         self.assertEqual(uk.threshold, 7610.2127670151531)
         self._check_osgb(uk)