Merge pull request #175 from nelhage/fix-tests

Fix some issues in tests.

command/agent/check_test.go

@@ -74,7 +74,7 @@ func TestCheckMonitor_LimitOutput(t *testing.T) {
 	check := &CheckMonitor{
 		Notify:   mock,
 		CheckID:  "foo",
-		Script:   "dd if=/dev/urandom bs=8192 count=10",
+		Script:   "od -N 81920 /dev/urandom",
 		Interval: 25 * time.Millisecond,
 		Logger:   log.New(os.Stderr, "", log.LstdFlags),
 	}

testutil/wait.go

@@ -36,7 +36,7 @@ func WaitForLeader(t *testing.T, rpc rpcFn, dc string) structs.IndexedNodes {
 			Datacenter: dc,
 		}
 		err := rpc("Catalog.ListNodes", args, &out)
-		return out.QueryMeta.KnownLeader, err
+		return out.QueryMeta.KnownLeader && out.Index > 0, err
 	}, func(err error) {
 		t.Fatalf("failed to find leader: %v", err)
 	})