tests/cluster: fix possible fd exhaustion

...and one typo.

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/cluster/cluster_test.go b/tests/cluster/cluster_test.go
index fa639b7..70a2a02 100644
--- a/tests/cluster/cluster_test.go
+++ b/tests/cluster/cluster_test.go
@@ -176,6 +176,10 @@ func TestConcurrentCreate(t *testing.T) {
 				return
 			}
 			syscall.Unlink(path)
+
+			// Close now (not only when the whole loop exists) to avoid exhausting fds.
+			// Double-close on happy path is harmless: "Close will return an error if it has already been called"
+			f.Close()
 		}
 	}