[CI] failed test should fail

The redundant Config.success shadowed System.success...

tests/runci/Config.hx

@@ -17,7 +17,6 @@ class Config {
 	static public final miscDir = cwd + "misc/";
 	static public final displayDir = cwd + "display/";
 	static public final serverDir = cwd + "server/";
-	static public var success(default, null) = true;
 
 	static public final ci:Null<Ci> =
 		if (Sys.getEnv("TRAVIS") == "true")