[sheepdog] [PATCH v4 4/4] tests: modify usage of -w in 018, 019, 020 for new cache option

[Hitoshi Mitake]

-w <cache size> is obsolete, so this patch modifies -w usage in 018,
019, 020.

Cc: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp>
Cc: Liu Yuan <tailai.ly at taobao.com>
Signed-off-by: Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp>
---
 tests/018 |    2 +-
 tests/019 |    2 +-
 tests/020 |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/018 b/tests/018
index 32fcdf1..cd2cfd7 100755
--- a/tests/018
+++ b/tests/018
@@ -16,7 +16,7 @@ status=1        # failure is the default!
 _cleanup
 
 for i in `seq 0 2`; do
-    _start_sheep $i "-w 100"
+    _start_sheep $i "-w object:size=100"
 done
 
 _wait_for_sheep "3"
diff --git a/tests/019 b/tests/019
index f669472..f3862fb 100755
--- a/tests/019
+++ b/tests/019
@@ -16,7 +16,7 @@ status=1        # failure is the default!
 _cleanup
 
 for i in `seq 0 2`; do
-    _start_sheep $i "-w 100"
+    _start_sheep $i "-w object:size=100"
 done
 
 _wait_for_sheep "3"
diff --git a/tests/020 b/tests/020
index a3ae565..e9943dd 100755
--- a/tests/020
+++ b/tests/020
@@ -16,7 +16,7 @@ status=1        # failure is the default!
 _cleanup
 
 for i in `seq 0 2`; do
-    _start_sheep $i "-w 20"
+    _start_sheep $i "-w object:size=20"
 done
 
 _wait_for_sheep "3"
-- 
1.7.2.5