Ant JUnit错误没有runnable方法。 initializationError

Question

通过Ant运行JUnit，我们得到了这个错误，关于编写了多少。我们仔细检查了我们在前面关于这个错误的问题中看到的所有建议，似乎我们在测试类中得到了我们需要的一切，一个公共的无参数构造函数和一个带有@Test注释的单个方法！

Testsuite: sim.V
Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.016 sec

Testcase: initializationError took 0.002 sec
    Caused an ERROR
No runnable methods
java.lang.Exception: No runnable methods
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)


Testsuite: simvim

这是我们的Ant构建XML文件：

<target name="junit" depends="build">
  <junit fork="no" printsummary="withOutAndErr">
     <test name="sim.V" outfile="TB" />
     <formatter usefile="true" type="plain"/>
     <classpath>
       <pathelement path="/afs/cad.njit.edu/u/j/g/jg284/libs/junit.jar"/>
       <pathelement path="/afs/cad.njit.edu/u/j/g/jg284/libs/hamcrest-core-1.3.jar"/>

        </classpath>
  </junit>
</target>

这是我们的测试类：

package sim;
import java.io.*;
import org.junit.*;
import static org.junit.Assert.*;

public class V {
  public V() {
  }

  @Test
  public void SG() throws IOException,sim.SE,Exception {
    Simulation S = new Simulation();
    S.logger = Simulate.createLogger("log.out","FINEST", false);
    S.stat = Simulate.createLogger("logstat.out","FINEST", false);
    sim.movers.SMover SM = new sim.movers.SMover(S);
    SM.TB();
  }
}