1394: fixed typo

test/rebar_utils_SUITE.erl

@@ -277,11 +277,11 @@ tup_merge(_Config) ->
 
 proxy_auth(_Config) ->
 	%% proxy auth with regular username/password
-	rebar_utils:set_proxy_auth("Username", "Password"),
+	rebar_utils:set_proxy_auth("Username:Password"),
 	?assertEqual([{proxy_auth, {"Username", "Password"}}],
 				 rebar_utils:get_proxy_auth()),
 	%% proxy auth with username missing and url encoded password
-	rebar_utils:set_proxy_auth("", "?!abc#$"),
+	rebar_utils:set_proxy_auth(":?!abc#$"),
 	?assertEqual([{proxy_auth, {"", "%3F!abc%23%24"}}],
 				 rebar_utils:get_proxy_auth()).