GH-916: Workaround for a permission issue on Travis.
GH-916: Workaround for a permission issue on Travis.

Closes #916.

Signed-off-by: Akos Kitta <5adc53eb8928d8424ddf49bf102dba40aa33cffe@gmail.com>

epatpol/theia-1,epatpol/theia-1,epatpol/theia-1