JAVA 编写测试类出现的问题（一）Cannot instantiate test(s): java.lang.SecurityException: Prohibited package name: java.com.study

Cannot instantiate test(s): java.lang.SecurityException: Prohibited package name: java.com.study

是在测试包：包名出现了java.com.study，以 java开头了，应该改为 java.com.study 把Java去掉 就可以了写测试类了。