try to test all files and test it with coverage

.travis.yml

@@ -46,9 +46,10 @@ install:
     - conda install --yes --file requirements_conda.txt python=$CONDA_PYTHON_VERSION
 #    - pip install -r ci/requirements_ci.txt
 #    - pip install coverage
-    - conda install coveralls nose python=$CONDA_PYTHON_VERSION
+#    - conda install coveralls nose python=$CONDA_PYTHON_VERSION
       # - "easy_install SimpleITK mahotas"
     - pip install -r requirements_pip.txt
+    - pip install coveralls
     # - if [ ${pack} == "old_mpl" ]; then conda install --yes python=$TRAVIS_PYTHON_VERSION numpy scipy nose dateutil pandas statsmodels pil six; fi
 #    - git clone https://github.com/mjirik/skelet3d.git
 #    - mkdir skelet3d/build
@@ -121,9 +122,8 @@ before_script:
     - sleep 3 # give xvfb sume time to start
 
 # command to run tests
-#script: nosetests --with-coverage --verbose -d --cover-package=lisa
+script: nosetests --with-coverage --verbose -d --cover-package=lisa
 # script: nosetests --with-coverage --verbose --nocapture --nologcapture --cover-package=lisa
 # skip organ_segmentation_tests
-script: nosetests --with-coverage -v -s -x --cover-package=lisa -I organ_segmentation_test.py
-after_success:
-    - coveralls
+#script: nosetests --with-coverage -v -s -x --cover-package=lisa -I organ_segmentation_test.py
+after_success: coveralls

requirements.txt

@@ -1,2 +1,2 @@
 # requirements for development only
-coveralls
+# coveralls