Unit testing 在使用jacoco:cover运行的TC中调用公共构造函数时出错

当我使用jacoco:cover运行我的play代码时，当调用构造函数时，测试用例执行失败

简单地说：我的测试代码如下

@Test
public void ValidSessionIdFindBySessionId() throws Exception 
{
    RightnowAccount rightnowAccount = new RightnowAccount("Login", "Password", 123, "SessionId");
}

我的类和构造函数：

public class RightnowAccount extends Model
{
    private static final Logger logger = org.apache.log4j.Logger.getLogger(RightnowAccount.class);
    @Id
    public String login;
    public String password;
    public int accountId;
    String sessionId;
    Timestamp createdTimeStamp;
    Timestamp updatedTimeStamp;

    public RightnowAccount (String login)
    {
        this.login = login;
    }
    public RightnowAccount (String login,String password,int accountId,String sessionId)
    {
        this.login = login;
        this.password = password;
        this.accountId = accountId;
        this.sessionId = sessionId;
    }
}

当我以play:cover的形式运行测试代码时，我的测试用例失败，出现错误：

[error] Test com.flipkart.rightnow.connection.RightnowAuthTest.ValidSessionIdFindBySessionId failed: missing behavior definition for the preceding method call:
[error] RightnowAccount.$jacocoInit()
[error] Usage is: expect(a.foo()).andXXX()
[error]     at org.easymock.internal.MockInvocationHandler.invoke(MockInvocationHandler.java:42)

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测试是否有Before或After方法？似乎easymock试图对jacoco检测的类进行检测。您是将jacoco与代理（联机检测）一起使用还是与脱机检测一起使用？它是脱机检测