单元测试抽象类的受保护方法

I'm trying to write a unit test to test a protected method in an abstract class. I've tried writing a test class that inherits from the abstract class, but when I instantiate the test class the base abstract class attempts to connect to an Oracle database and fails which doesn't allow me to test the protected method I'm interested in. The abstract class cannot be modified.I'm trying to write a unit test to test a prote