Running functional test error

@abcfy2 commented on [Fri Jul 12 2019](https://github.com/gradle-guides/building-java-web-applications/issues/28)

I run the command from here: https://guides.gradle.org/building-java-web-applications/#run_the_functional_test

```
# ./gradlew test
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon: https://docs.gradle.org/4.10.3/userguide/gradle_daemon.html.
Daemon will be stopped at the end of the build stopping after processing
> Task :prepareInplaceWebAppFolder UP-TO-DATE
> Task :createInplaceWebAppFolder UP-TO-DATE
> Task :compileJava UP-TO-DATE
> Task :processResources NO-SOURCE
> Task :classes UP-TO-DATE
> Task :prepareInplaceWebAppClasses UP-TO-DATE
> Task :prepareInplaceWebApp UP-TO-DATE
> Task :compileTestJava
> Task :processTestResources NO-SOURCE
> Task :testClasses
00:52:58 INFO Jetty 9.2.24.v20180105 started and listening on port 8080
00:52:58 INFO webdemo runs at:
00:52:58 INFO http://localhost:8080/webdemo
> Task :appBeforeIntegrationTest

> Task :test

org.gradle.demo.HelloServletFunctionalTest > sayHello FAILED
java.lang.NoSuchMethodError at HelloServletFunctionalTest.java:24

4 tests completed, 1 failed

> Task :test FAILED

> Task :appAfterIntegrationTest
Server stopped.

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':test'.
> There were failing tests. See the report at: file:///C:/Users/fengyu/projects/webdemo/build/reports/tests/test/index.html

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 41s
7 actionable tasks: 4 executed, 3 up-to-date
```

`NoSuchMethodError`, seems something wrong with Selenium, but I don't know how to solve. Please help

---

@abcfy2 commented on [Fri Jul 12 2019](https://github.com/gradle-guides/building-java-web-applications/issues/28#issuecomment-510960985)

Also this project build with the same error.

Start with the functional-test instructions in the linked Gradle guide and run ./gradlew test. Inspect HelloServletFunctionalTest.java at line 24, the reported NoSuchMethodError, and the generated build/reports/tests/test/index.html; done means the test task completes with all four tests passing.

Written by the indexing model from the issue text.