[py] Removed desired capabilities from handshake code (#10494)

SinghHrmn · AutomatedTester · web-flow · commit 482d5a4e6f62 · 2022-04-06T14:54:37.000+01:00
* [py] Removed desired capabilities from handshake code Fixes #10264 Co-authored-by: David Burns <david.burns@theautomatedtester.co.uk>
diff --git a/py/selenium/webdriver/remote/webdriver.py b/py/selenium/webdriver/remote/webdriver.py
@@ -355,8 +355,7 @@ def start_session(self, capabilities: dict, browser_profile=None) -> None:
             else:
                 capabilities.update({'firefox_profile': browser_profile.encoded})
         w3c_caps = _make_w3c_caps(capabilities)
-        parameters = {"capabilities": w3c_caps,
-                      "desiredCapabilities": capabilities}
+        parameters = {"capabilities": w3c_caps}
         response = self.execute(Command.NEW_SESSION, parameters)
         if 'sessionId' not in response:
             response = response['value']
diff --git a/py/test/unit/selenium/webdriver/remote/new_session_tests.py b/py/test/unit/selenium/webdriver/remote/new_session_tests.py
@@ -32,8 +32,7 @@ def test_converts_oss_capabilities_to_w3c(mocker):
     oss_caps = {'platform': 'WINDOWS', 'version': '11', 'acceptSslCerts': True}
     w3c_caps = {'platformName': 'windows', 'browserVersion': '11', 'acceptInsecureCerts': True}
     WebDriver(desired_capabilities=deepcopy(oss_caps))
-    expected_params = {'capabilities': {'firstMatch': [{}], 'alwaysMatch': w3c_caps},
-                       'desiredCapabilities': oss_caps}
+    expected_params = {'capabilities': {'firstMatch': [{}], 'alwaysMatch': w3c_caps}}
     mock.assert_called_with(Command.NEW_SESSION, expected_params)
 
 
@@ -42,8 +41,7 @@ def test_converts_proxy_type_value_to_lowercase_for_w3c(mocker):
     oss_caps = {'proxy': {'proxyType': 'MANUAL', 'httpProxy': 'foo'}}
     w3c_caps = {'proxy': {'proxyType': 'manual', 'httpProxy': 'foo'}}
     WebDriver(desired_capabilities=deepcopy(oss_caps))
-    expected_params = {'capabilities': {'firstMatch': [{}], 'alwaysMatch': w3c_caps},
-                       'desiredCapabilities': oss_caps}
+    expected_params = {'capabilities': {'firstMatch': [{}], 'alwaysMatch': w3c_caps}}
     mock.assert_called_with(Command.NEW_SESSION, expected_params)
 
 
