diff --git a/tools/wptrunner/wptrunner/executors/base.py b/tools/wptrunner/wptrunner/executors/base.py
index 4bc193d038b3bc..f62ded610ca4ed 100644
--- a/tools/wptrunner/wptrunner/executors/base.py
+++ b/tools/wptrunner/wptrunner/executors/base.py
@@ -644,6 +644,7 @@ def do_wdspec(self, path, timeout):
         session_config = {"host": self.browser.host,
                           "port": self.browser.port,
                           "capabilities": self.capabilities,
+                          "timeout_multiplier": self.timeout_multiplier,
                           "webdriver": {
                               "binary": self.webdriver_binary,
                               "args": self.webdriver_args
diff --git a/webdriver/tests/get_timeouts/get.py b/webdriver/tests/get_timeouts/get.py
index 9601c00d903d5f..aa02c0990e1a11 100644
--- a/webdriver/tests/get_timeouts/get.py
+++ b/webdriver/tests/get_timeouts/get.py
@@ -23,15 +23,6 @@ def test_get_timeouts(session):
     assert isinstance(value["pageLoad"], int)
 
 
-def test_get_default_timeouts(session):
-    response = get_timeouts(session)
-
-    assert_success(response)
-    assert response.body["value"]["script"] == 30000
-    assert response.body["value"]["implicit"] == 0
-    assert response.body["value"]["pageLoad"] == 300000
-
-
 def test_get_new_timeouts(session):
     session.timeouts.script = 60
     session.timeouts.implicit = 1
diff --git a/webdriver/tests/support/fixtures.py b/webdriver/tests/support/fixtures.py
index 4a08d921a3bb2d..9201e0859022e4 100644
--- a/webdriver/tests/support/fixtures.py
+++ b/webdriver/tests/support/fixtures.py
@@ -14,13 +14,14 @@
 from tests.support.http_request import HTTPRequest
 
 
+SCRIPT_TIMEOUT = 1
+PAGE_LOAD_TIMEOUT = 3
+IMPLICIT_WAIT_TIMEOUT = 0
+
 # The webdriver session can outlive a pytest session
 _current_session = None
 
 
-_custom_session = False
-
-
 def pytest_configure(config):
     # register the capabilities marker
     config.addinivalue_line(
@@ -63,6 +64,7 @@ def full_configuration():
     host - WebDriver server host.
     port -  WebDriver server port.
     capabilites - Capabilites passed when creating the WebDriver session
+    timeout_multiplier - Multiplier for timeout values
     webdriver - Dict with keys `binary`: path to webdriver binary, and
                 `args`: Additional command line arguments passed to the webdriver
                 binary. This doesn't include all the required arguments e.g. the
@@ -137,6 +139,12 @@ async def session(capabilities, configuration):
         _current_session.window.size = defaults.WINDOW_SIZE
         _current_session.window.position = defaults.WINDOW_POSITION
 
+    # Set default timeouts
+    multiplier = configuration["timeout_multiplier"]
+    _current_session.timeouts.implicit = IMPLICIT_WAIT_TIMEOUT * multiplier
+    _current_session.timeouts.page_load = PAGE_LOAD_TIMEOUT * multiplier
+    _current_session.timeouts.script = SCRIPT_TIMEOUT * multiplier
+
     yield _current_session
 
     cleanup_session(_current_session)