iotests: 095: Use TEST_IMG override instead of "mv"

Signed-off-by: NFam Zheng <famz@redhat.com>
Message-id: 1450752561-9300-11-git-send-email-famz@redhat.com
Signed-off-by: NMax Reitz <mreitz@redhat.com>

tests/qemu-iotests/095

@@ -50,11 +50,9 @@ _supported_os Linux
 size_smaller=5M
 size_larger=100M
 
-_make_test_img $size_smaller
-mv "${TEST_IMG}" "${TEST_IMG}.base"
+TEST_IMG="$TEST_IMG.base" _make_test_img $size_smaller
 
-_make_test_img -b "${TEST_IMG}.base" $size_larger
-mv "${TEST_IMG}" "${TEST_IMG}.snp1"
+TEST_IMG="$TEST_IMG.snp1" _make_test_img -b "$TEST_IMG.base" $size_larger
 
 _make_test_img -b "${TEST_IMG}.snp1" $size_larger
 

tests/qemu-iotests/095.out

 QA output created by 095
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=5242880
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=104857600 backing_file=TEST_DIR/t.IMGFMT.base
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=5242880
+Formatting 'TEST_DIR/t.IMGFMT.snp1', fmt=IMGFMT size=104857600 backing_file=TEST_DIR/t.IMGFMT.base
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=104857600 backing_file=TEST_DIR/t.IMGFMT.snp1
 
 === Base image info before commit and resize ===