Build travis on Python 3.7 - master (reimandlab#148)

* Build on Python 3.7

* Update to xenial for 3.7 suport

* Attempt to streamline tests

* Another attempt

.travis.yml

@@ -1,5 +1,5 @@
 sudo: required
-dist: trusty
+dist: xenial
 language: python
 cache:
   timeout: 1800
@@ -9,8 +9,7 @@ cache:
     - downloads
 
 python:
-  - 3.4
-  - 3.5
+  - 3.7
 
 
 before_install:
@@ -33,7 +32,7 @@ install:
 
 
 script:
-  - python3 -m pytest -x -n 2 --cov=. -k 'not data_dependent and not celery' -v
+  - python3 -m pytest -x -n 2 --cov=. -k 'not test_import_results and not test_data and not celery' -v
 
 
 after_success:

website/tests/data_dependent/test_import_results.py

@@ -6,7 +6,7 @@
 
 
 def test_mappings():
-    """This is a simple inclusion test for genome -> proteme mutation mappigns.
+    """This is a simple inclusion test for genome -> proteme mutation mappings.
 
     Knowing the data, we demand the items from the right side (of test data)
     to be in the results of queries specified on the left side.