iotests: 153: Fix dead code

This step was left behind my mistake. As suggested by the echoed text,
the intention was to test two devices with the same image, with
different options. The behavior should be the same as two QEMU
processes. Complete it.
Signed-off-by: NFam Zheng <famz@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/153

@@ -162,6 +162,7 @@ for opts1 in "" "read-only=on" "read-only=on,force-share=on"; do
     _cleanup_qemu
 done
 
+test_opts="read-only=off read-only=on read-only=on,force-share=on"
 for opt1 in $test_opts; do
     for opt2 in $test_opts; do
         echo
@@ -170,6 +171,7 @@ for opt1 in $test_opts; do
     done
 done
 
+echo
 echo "== Creating ${TEST_IMG}.[abc] ==" | _filter_testdir
 (
     $QEMU_IMG create -f qcow2 "${TEST_IMG}.a" -b "${TEST_IMG}"

tests/qemu-iotests/153.out

@@ -369,6 +369,31 @@ _qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
 qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
 
 Round done
+
+== Two devices with the same image (read-only=off - read-only=off) ==
+QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=off: Failed to get "write" lock
+Is another process using the image?
+
+== Two devices with the same image (read-only=off - read-only=on) ==
+QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=on: Failed to get shared "write" lock
+Is another process using the image?
+
+== Two devices with the same image (read-only=off - read-only=on,force-share=on) ==
+
+== Two devices with the same image (read-only=on - read-only=off) ==
+QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=off: Failed to get "write" lock
+Is another process using the image?
+
+== Two devices with the same image (read-only=on - read-only=on) ==
+
+== Two devices with the same image (read-only=on - read-only=on,force-share=on) ==
+
+== Two devices with the same image (read-only=on,force-share=on - read-only=off) ==
+
+== Two devices with the same image (read-only=on,force-share=on - read-only=on) ==
+
+== Two devices with the same image (read-only=on,force-share=on - read-only=on,force-share=on) ==
+
 == Creating TEST_DIR/t.qcow2.[abc] ==
 Formatting 'TEST_DIR/t.IMGFMT.a', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
 Formatting 'TEST_DIR/t.IMGFMT.b', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT