Make test more robust.

test_spec.lua

@@ -213,12 +213,12 @@ describe("htop test suite", function()
       send("/")
       send("busted")
       local attr = rt:cellAttr(rt:rows() - 1, 30)
-      send("\n")
-      delay(0.4)
+      delay(0.3)
       local line = find_selected_y()
       local pid = ("      "..tostring(unistd.getpid())):sub(-5)
       assert.equal(attr, attrs.black_on_cyan)
       local ourpid = check_string_at(1, line, pid)
+      send("\n")
       send(curses.KEY_HOME)
       assert.equal(check(ourpid))
    end)