revert connect to 2.x, 3.x clashes with karma

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
fix webserver

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
fix condition

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
enable coverage

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>