robotium

Test run failed: Permission Denial: starting instrumentation ComponentInfo{android.support.v7.appcompat.test/android.test.InstrumentationTestRunner} from pid=5989, uid=5989 not allowed because package android.support.v7.appcompat.test does not have a signature matching the target com.cypay.sdk4android.demo

报错原因：

测试包的签名问题