docker: Add test-block

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170905025614.579-6-famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Based-on: 20170905021201.25684-1-famz@redhat.com

tests/docker/test-block

+#!/bin/bash
+#
+# Run block test cases
+#
+# Copyright 2017 Red Hat Inc.
+#
+# Authors:
+#  Fam Zheng <famz@redhat.com>
+#
+# This code is licensed under the GPL version 2 or later.  See
+# the COPYING file in the top-level directory.
+
+. ./common.rc
+
+cd "$BUILD_DIR"
+
+build_qemu --target-list=x86_64-softmmu
+cd tests/qemu-iotests
+for t in raw qcow2 nbd luks; do
+    ./check -g quick -$t || test_fail "Test failed: iotests $t"
+done