fix test import

Author: rbri

src/test/java/org/htmlunit/WebDriverTestCase.java

@@ -89,7 +89,7 @@
 import org.openqa.selenium.chrome.ChromeDriverService;
 import org.openqa.selenium.chrome.ChromeOptions;
 import org.openqa.selenium.devtools.DevTools;
-import org.openqa.selenium.devtools.v135.emulation.Emulation;
+import org.openqa.selenium.devtools.v136.emulation.Emulation;
 import org.openqa.selenium.edge.EdgeDriver;
 import org.openqa.selenium.edge.EdgeDriverService;
 import org.openqa.selenium.edge.EdgeOptions;