(env) D:\Daria\Python\Python\pytest1>set PATH
Path=D:\Daria\Python\Python\pytest1\env\Scripts;C:\Program Files (x86)\NVIDIA Co
rporation\PhysX\Common;C:\Program Files\Common Files\Microsoft Shared\Windows Li
ve;C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live;C:\Windows\
system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShe
ll\v1.0\;C:\Program Files\Broadcom\Broadcom 802.11 Network Adapter\Driver;C:\Pro
gram Files (x86)\Windows Live\Shared;C:\Program Files\WIDCOMM\Bluetooth Software
\;C:\Program Files\WIDCOMM\Bluetooth Software\syswow64;C:\Program Files (x86)\Sk
ype\Phone\;C:\Program Files\Git\cmd;C:\Python36\Scripts\;C:\Python36\
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC

(env) D:\Daria\Python\Python\pytest1>where chromedriver
C:\Windows\System32\chromedriver.exe

(env) D:\Daria\Python\Python\pytest1>py.test test\test_del_group.py
============================= test session starts =============================
platform win32 -- Python 3.6.5, pytest-3.5.1, py-1.5.3, pluggy-0.6.0
rootdir: D:\Daria\Python\Python\pytest1, inifile:
collected 1 item

test\test_del_group.py .                                                 [100%]

========================== 1 passed in 72.68 seconds ==========================

(env) D:\Daria\Python\Python\pytest1>py.test --browser=chrome test\test_del_grou
p.py
============================= test session starts =============================
platform win32 -- Python 3.6.5, pytest-3.5.1, py-1.5.3, pluggy-0.6.0
rootdir: D:\Daria\Python\Python\pytest1, inifile:
collected 1 item

test\test_del_group.py EE                                                [100%]

=================================== ERRORS ====================================
__________________ ERROR at setup of test_delete_some_group ___________________

request = <SubRequest 'app' for <Function 'test_delete_some_group'>>

    @pytest.fixture
    def app(request):
        global fixture
        if fixture is None:
            browser = request.config.getoption("--browser")
            base_url = request.config.getoption("--baseUrl")
            fixture = Application(browser=browser, base_url=base_url)
        else:
            if not fixture.is_valid():
                fixture = Application()
>       fixture.session.ensure_login(username="admin", password="secret")

conftest.py:18:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fixture\session.py:47: in ensure_login
    if self.is_logged_in():
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <fixture.session.SessionHelper object at 0x03488430>

    def is_logged_in(self):
        wd = self.app.wd
>       return len(wd.find_elements_by_link_text("Logout")) > 0
E       TypeError: find_elements_by_link_text() missing 1 required positional ar
gument: 'text'

fixture\session.py:27: TypeError
_________________ ERROR at teardown of test_delete_some_group _________________

    def fin():
>       fixture.session.ensure_logout()

conftest.py:25:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fixture\session.py:41: in ensure_logout
    if self.is_logged_in():
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <fixture.session.SessionHelper object at 0x03488430>

    def is_logged_in(self):
        wd = self.app.wd
>       return len(wd.find_elements_by_link_text("Logout")) > 0
E       TypeError: find_elements_by_link_text() missing 1 required positional ar
gument: 'text'

fixture\session.py:27: TypeError
=========================== 2 error in 0.30 seconds ===========================