Issue #2599 Add sshfs support for minikube iso

deploy/iso/minikube-iso/configs/minikube_defconfig

@@ -60,3 +60,4 @@ BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU="$(BR2_EXTERNAL_MINIKUBE_PATH)/board/coreos/
 BR2_TARGET_SYSLINUX=y
 BR2_PACKAGE_HOST_E2TOOLS=y
 BR2_PACKAGE_SYSDIG=y
+BR2_PACKAGE_SSHFS=y

hack/jenkins/minishift_linux_integration_tests_kvm.sh

@@ -185,12 +185,20 @@ function verify_delete() {
   print_success_message "Deleting VM"
 }
 
+function verify_sshfs_installation() {
+  expected="SSHFS version 2.5"
+  output=`$BINARY ssh -- sudo sshfs -V`
+  assert_equal "$output" "$expected"
+  print_success_message "SSHFS installation"
+}
+
 # Tests
 set +e
 verify_start_instance
 verify_vm_ip
 verify_cifs_installation
 verify_nfs_installation
+verify_sshfs_installation
 verify_bind_mount
 verify_swap_space
 verify_delete