Fix coverage reporting

.travis.yml

@@ -9,8 +9,10 @@ env:
 
 install:
   - git submodule update --init --recursive
-  - pip install -U pip setuptools tox codecov
-  - sudo apt-get install -qq lib32z1 lib32ncurses5 lib32bz2-1.0 # temporarily
+  - pip install -U pip setuptools tox
+
+  # temporary hook to fix issue with gcc-pic32
+  - sudo apt-get install -qq lib32z1 lib32ncurses5 lib32bz2-1.0
 
 script:
   - tox -e $TOX_ENV

tox.ini

@@ -57,7 +57,6 @@ usedevelop = True
 passenv = *
 deps =
     pytest
-    pytest-cov
 commands =
     {envpython} --version
     py.test -v --basetemp="{envtmpdir}" tests
@@ -65,5 +64,8 @@ commands =
 [testenv:coverage]
 passenv = *
 basepython = python2.7
+deps =
+    pytest
+    pytest-cov
 commands =
-    py.test --cov=platformio -v tests --ignore=tests/test_examples.py --ignore=tests/test_pkgmanifest.py
+    py.test --cov=platformio --cov-report xml --ignore=tests/test_examples.py --ignore=tests/test_pkgmanifest.py -v tests