CFY-1373 added source/target mocks to mock context
CFY-1373 added source/target mocks to mock context

isaac-s/cloudify-plugins-common,geokala/cloudify-plugins-common,isaac-s/cloudify-plugins-common,xdegenne/cloudify-plugins-common,isaac-s/cloudify-plugins-common,codilime/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,codilime/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,codilime/cloudify-plugins-common