update Makefile to set GO11MODULE=off and generate test/extended

Author: sallyom

Makefile

@@ -12,6 +12,7 @@ OUT_DIR = _output
 
 export GOFLAGS
 export TESTFLAGS
+export GO111MODULE=off
 # May be used to set additional arguments passed to the image build commands for
 # mounting secrets specific to a build environment.
 export OS_BUILD_IMAGE_ARGS

hack/update-generated-bindata.sh

@@ -2,6 +2,7 @@
 STARTTIME=$(date +%s)
 source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
 
+export GO111MODULE=off
 go generate ./test/extended
 
 os::build::setup_env