Change the history EOF test for the recent change two commits ago

Signed-off-by: Gavin Howard <gavin@yzena.com>

tests/history.py

@@ -282,8 +282,11 @@ def test_eof(exe, args, env):
 	child = pexpect.spawn(exe, args=args, env=env)
 
 	try:
-		send(child, "\t")
-		expect(child, "        ")
+		send(child, "123")
+		expect(child, "123")
+		send(child, "\x01")
+		send(child, "\x04")
+		send(child, "\x04")
 		send(child, "\x04")
 		wait(child)
 	except pexpect.TIMEOUT: