tests: cleanup test directory

- add a `pkg` directory for packages
- add a `cases` directory for yml files

Signed-off-by: Dave Tucker <dt@docker.com>

test/cases/test-kernel-config.yml

@@ -18,8 +18,8 @@ onboot:
      - CAP_NET_RAW
     net: host
     command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
-  - name: check
+  - name: check-kernel-config
-    image: "linuxkit/check:43c4147dda4e02d066ef158cd81718dbff8c8bd0"
+    image: "mobylinux/kernel-config:c9e41ab96b3ea6a3ced97634751e20d12a5bf52f"
     pid: host
     capabilities:
      - CAP_SYS_BOOT

test/pkg/kernel-config/Makefile

@@ -1,7 +1,7 @@
 .PHONY: tag push
 
 BASE=alpine:3.5
-IMAGE=check
+IMAGE=kernel-config
 
 default: push
 

test/pkg/virtsock/README.md

@@ -1,11 +1,11 @@
 This directory contains the files to build and run a container containing the
-virtio and Hyper-V socket stress tests. `test-virtsock-server.yml` builds images which start the server inside the VM.
+virtio and Hyper-V socket stress tests. `../../cases/test-virtsock-server.yml` builds images which start the server inside the VM.
 
 The client, to be run on the host as per this [README](https://github.com/rneugeba/virtsock/blob/master/examples/README.md), can be obtained compiled from [here](https://github.com/rneugeba/virtsock).
 
 ## How to use (on Windows)
 
-- Build the images: `moby build test-virtsock-server`
+- Build the images: `moby build tests/cases/test-virtsock-server.yml`
 - Copy the `test-virtsock-server.iso` to a Windows system
 - Create a Type 1 Hyper-V VM (called `virtsock`).
   - No Disk or network required