org.openqa.selenium.NoSuchElementException: no such element: Unable to locate element: {"method":"xpath","selector":"//div[@class='form-group margin-top-big']//button[@class='btn btn-default']"}
  (Session info: headless chrome=91.0.4472.114)
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '3.6.0', revision: '6fbf3ec767', time: '2017-09-27T15:28:36.4Z'
System info: host: 'apollo-test-2', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '5.8.0-50-generic', java.version: '1.8.0_292'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{networkConnectionEnabled=false, chrome={chromedriverVersion=91.0.4472.101 (af52a90bf87030dd1523486a1cd3ae25c5d76c9b-refs/branch-heads/4472@{#1462}), userDataDir=/home/teamcity/build-agent/temp/buildTmp/.com.google.Chrome.GAsjVA}, timeouts={implicit=0, pageLoad=300000, script=30000}, pageLoadStrategy=normal, unhandledPromptBehavior=dismiss and notify, strictFileInteractability=false, platform=LINUX, proxy=Proxy(), goog:chromeOptions={debuggerAddress=localhost:9222}, acceptInsecureCerts=false, browserVersion=91.0.4472.114, browserName=chrome, javascriptEnabled=true, platformName=LINUX, setWindowRect=true, webauthn:extension:largeBlob=true, webauthn:virtualAuthenticators=true}]
Session ID: 33315d1be40fd39f31d0a666018ca6aa
*** Element info: {Using=xpath, value=//div[@class='form-group margin-top-big']//button[@class='btn btn-default']}
	at sun.reflect.GeneratedConstructorAccessor184.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:185)
	at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:120)
	at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
	at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:164)
	at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:586)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:356)
	at org.openqa.selenium.remote.RemoteWebDriver.findElementByXPath(RemoteWebDriver.java:458)
	at org.openqa.selenium.By$ByXPath.findElement(By.java:361)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:348)
	at Pages.BasePage.getWebElementByXpath(BasePage.java:323)
	at Pages.Transport.AuctionFormPage.acceptOfferWithMinRate(AuctionFormPage.java:47)
	at CucumberTests.Transport.AuctionTransport.acctepTransportWithMinimumRate(AuctionTransport.java:106)
	at ✽.Accept transport with minimum rate(file:Features/Atom/Transport/Auction.feature:22)

java.lang.AssertionError: Zlecenie jest nadal wiczone na liście transportów
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertFalse(Assert.java:64)
	at CucumberTests.Transport.AuctionTransport.verifyThatOfferHasBeenRemovedFromTransport(AuctionTransport.java:127)
	at ✽.Verify that offer has been removed from transport(file:Features/Atom/Transport/Auction.feature:37)

java.lang.AssertionError: Zlecenie jest nadal wiczone na liście transportów
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertFalse(Assert.java:64)
	at CucumberTests.Transport.AuctionTransport.verifyThatOfferHasBeenRemovedFromTransport(AuctionTransport.java:127)
	at ✽.Verify that offer has been removed from transport(file:Features/Atom/Transport/Auction.feature:37)

org.junit.ComparisonFailure: Nie udało się dodać oferty do zlecenia! expected:<1[0]00> but was:<1[5]00>
	at org.junit.Assert.assertEquals(Assert.java:115)
	at CucumberTests.Transport.AuctionTransport.verifyThatOfferWithHasBeenAddedToAuction(AuctionTransport.java:182)
	at ✽.Verify that offer with "1000" has been added to auction(file:Features/Atom/Transport/Auction.feature:120)

java.lang.AssertionError: Odznaczona firma jest widoczna na liście firm w historii aukcji!
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertFalse(Assert.java:64)
	at CucumberTests.Transport.AuctionTransport.verifyParticipantIsNotInTransportAuctionHistory(AuctionTransport.java:278)
	at ✽.Check if unselected "PAA2" is in transport auction history as participant(file:Features/Atom/Transport/Auction.feature:176)

java.lang.AssertionError: Odznaczona firma jest widoczna na liście firm w historii aukcji!
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertFalse(Assert.java:64)
	at CucumberTests.Transport.AuctionTransport.verifyParticipantIsNotInTransportAuctionHistory(AuctionTransport.java:278)
	at ✽.Check if unselected "PSKZA2" is in transport auction history as participant(file:Features/Atom/Transport/Auction.feature:176)