tests: tail-2/flush-initial should not rely on stdbuf

* tests/tail-2/flush-initial: stdbuf is not built on all systems.
In any case it's redundant since stdout will automatically be buffered
since we're redirecting to file. So just call tail without using stdbuf.

1 files changed, 3 insertions, 1 deletions

diff --git a/tests/tail-2/flush-initial b/tests/tail-2/flush-initial
index 515b29d8b..e0d79fe48 100755
--- a/tests/tail-2/flush-initial
+++ b/tests/tail-2/flush-initial
@@ -25,7 +25,9 @@ fi
 
 fail=0
 echo line > in || fail=1
-stdbuf --output=1K tail -f in > out &
+# Output should be buffered since we're writing to file
+# so we're depending on the flush to write out
+tail -f in > out &
 tail_pid=$!
 
 # Wait for 1 second for the file to be flushed.