請問ip地址要在同一個網(wǎng)段嗎，我用的阿里云，Java測試報錯了

java.lang.Exception:?No?tests?found?matching?[{ExactMatcher:fDisplayName=demo1],?{ExactMatcher:fDisplayName=demo1(com.xf.JedisDemo1)],?{LeadingIdentifierMatcher:fClassName=com.xf.JedisDemo1,fLeadingIdentifier=demo1]]?from?org.junit.internal.requests.ClassRequest@77cd7a0	at?org.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:40)	at?org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createFilteredTest(JUnit4TestLoader.java:80)	at?org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:71)	at?org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:46)	at?org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:522)	at?org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)	at?org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)	at?org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)