Fix scala-js#124: Call quit not close on WebDriver for cleanup

Author: gzm0

seleniumJSEnv/src/main/scala/org/scalajs/jsenv/selenium/SeleniumRun.scala

@@ -162,7 +162,7 @@ private[selenium] object SeleniumRun {
   }
 
   private def maybeCleanupDriver(d: WebDriver, config: SeleniumJSEnv.Config) =
-    if (!config.keepAlive) d.close()
+    if (!config.keepAlive) d.quit()
 
   private def htmlPage(fullInput: Seq[Input], materializer: FileMaterializer): String = {
     val tags = fullInput.map {

seleniumJSEnv/src/test/scala/org/scalajs/jsenv/selenium/KeepAliveTest.scala

@@ -18,7 +18,7 @@ class KeepAliveTest {
   private final class MockWebDriver extends WebDriver with JavascriptExecutor {
     var closed = false
 
-    def close(): Unit = closed = true
+    def close(): Unit = ???
     def quit(): Unit = closed = true
 
     def executeScript(code: String, args: Object*): Object =