Add cleanup to box/stat.test

test/box/stat.result

@@ -49,3 +49,23 @@ statistics:
   UPDATE_FIELDS: { rps:  0    , total:  0           }
   DELETE:        { rps:  0    , total:  0           }
 ...
+delete from t0 where k0 = 0
+Delete OK, 1 row affected
+delete from t0 where k0 = 1
+Delete OK, 1 row affected
+delete from t0 where k0 = 2
+Delete OK, 1 row affected
+delete from t0 where k0 = 3
+Delete OK, 1 row affected
+delete from t0 where k0 = 4
+Delete OK, 1 row affected
+delete from t0 where k0 = 5
+Delete OK, 1 row affected
+delete from t0 where k0 = 6
+Delete OK, 1 row affected
+delete from t0 where k0 = 7
+Delete OK, 1 row affected
+delete from t0 where k0 = 8
+Delete OK, 1 row affected
+delete from t0 where k0 = 9
+Delete OK, 1 row affected

test/box/stat.test

@@ -21,4 +21,9 @@ print """#
 #
 """
 exec admin "show stat"
+
+# cleanup
+for i in range(10):
+  exec sql "delete from t0 where k0 = {0}".format(i)
+
 # vim: syntax=python