本人刚学的 appium，按照网上的例子测试 contactmanager，右键选择类，选择 run as--testng test，程序没有启动测试，控制台显示如下，不知道哪里出了问题，请大家帮忙。
[TestNG] Running:
C:\Users\Administrator\AppData\Local\Temp\testng-eclipse--2020562559\testng-customsuite.xml

===============================================
Default test

Tests run: 0, Failures: 0, Skips: 0

===============================================
Default suite

Total tests run: 0, Failures: 0, Skips: 0

[TestNG] Time taken by org.testng.reporters.SuiteHTMLReporter@5a00255d: 28 ms
[TestNG] Time taken by org.testng.reporters.XMLReporter@1ec9367a: 40 ms
[TestNG] Time taken by org.testng.reporters.jq.Main@3bdd7d1e: 44 ms
[TestNG] Time taken by org.testng.reporters.EmailableReporter2@921e761: 2 ms
[TestNG] Time taken by org.testng.reporters.JUnitReportReporter@5c331fd8: 0 ms
[TestNG] Time taken by [FailedReporter passed=0 failed=0 skipped=0]: 1 ms