test/legacy-protocol.test: fix intermittent "Cannot read greeting from control socket"

diff --git a/test/legacy-protocol.test b/test/legacy-protocol.test
index 929d222..5205877 100755 (executable)
--- a/test/legacy-protocol.test
+++ b/test/legacy-protocol.test
@@ -75,7 +75,7 @@ $tinc $c2 set ExperimentalProtocol no
 $tinc $c1 start $r1
 $tinc $c2 start $r2
 
-sleep 1
+sleep 5
 
 test `$tinc $c1 dump reachable nodes | wc -l` = 1
 test `$tinc $c2 dump reachable nodes | wc -l` = 1