4934 zfs-test for bug 4932

@@ -20,11 +20,12 @@
 
 PROGS = cleanup \
         setup \
         zpool_expand_001_pos \
         zpool_expand_002_pos \
-        zpool_expand_003_neg
+        zpool_expand_003_neg \
+        zpool_expand_004_pos
 
 FILES = zpool_expand.cfg
 
 CMDS = $(PROGS:%=$(TESTDIR)/%) $(FILES:%=$(TESTDIR)/%)
 $(CMDS) := FILEMODE = 0555