[JWarmUp] fix test error of TestClassInitChain.java

Summary:
fix typo error in test case

Test Plan: test/jwarmup/TestClassInitChain.java

Reviewed-by: luchsh

Issue: https://github.com/alibaba/dragonwell8/issues/16

test/jwarmup/TestClassInitChain.java

@@ -171,7 +171,7 @@ public class TestClassInitChain {
                     }
                     if (classList[i].equals(classAName)) {
                         orderA = i;
-                        stateA = stateList[1];
+                        stateA = stateList[i];
                     }
                     if (classList[i].equals(classBName)) {
                         orderB = i;