support chrome driver.name.lower() being chrome-headless-shell

use passed in browser to distinguish browser type
update smoke test to use .startswith()

Author: graingert-coef

Diff for: dash/testing/browser.py

@@ -603,7 +603,7 @@ def get_logs(self):
 
         Chrome only
         """
-        if self.driver.name.lower() == "chrome":
+        if self._browser == "chrome":
             return [
                 entry
                 for entry in self.driver.get_log("browser")
@@ -614,7 +614,7 @@ def get_logs(self):
 
     def reset_log_timestamp(self):
         """reset_log_timestamp only work with chrome webdriver."""
-        if self.driver.name.lower() == "chrome":
+        if self._browser == "chrome":
             entries = self.driver.get_log("browser")
             if entries:
                 self._last_ts = entries[-1]["timestamp"]

Diff for: tests/unit/test_browser.py

@@ -15,7 +15,7 @@ def test_browser_smoke(browser_type, tmpdir):
         download_path=tmpdir.mkdir("download").strpath,
         percy_finalize=True,
     )
-    assert browser.driver.name == browser_type.lower()
+    assert browser.driver.name.startswith(browser_type.lower())
 
 
 def test_browser_use_remote_webdriver(tmpdir):