feat(interop-tests): add ability to run chromedriver tests on Windows

When running on Windows OS, the command needs the `.cmd` extension in order to work.

Pull-Request: #4456.

interop-tests/src/bin/wasm_ping.rs

@@ -103,7 +103,12 @@ async fn open_in_browser() -> Result<(Child, WebDriver)> {
     // start a webdriver process
     // currently only the chromedriver is supported as firefox doesn't
     // have support yet for the certhashes
-    let mut chrome = tokio::process::Command::new("chromedriver")
+    let chromedriver = if cfg!(windows) {
+        "chromedriver.cmd"
+    } else {
+        "chromedriver"
+    };
+    let mut chrome = tokio::process::Command::new(chromedriver)
         .arg("--port=45782")
         .stdout(Stdio::piped())
         .spawn()?;