CI: skip conda-build test in travis as it needs DISPLAY

The package is still tested later in the `script` section.

Author: pavoljuhas

.travis.yml

@@ -74,7 +74,7 @@ before_install:
   - $NOAPT || MYTARBUNDLE="$(ls -t "${PWD}"/dist/*.tar.gz | head -1)"
 
 install:
-  - $NOMC || conda build --python=${MYPYTHON_VERSION} conda-recipe
+  - $NOMC || conda build --python=${MYPYTHON_VERSION} --no-test conda-recipe
   - $NOMC || conda render --python=${MYPYTHON_VERSION} --output conda-recipe |
                 sed 's,.*/,,; s/[.]tar[.]bz2$//; s/-/=/g' > /tmp/mypackage.txt
   - $NOMC || source activate testenv