Add test for CBD3-TE-MA-UC-06-01

Attempt to place a empty bid and click bet button

src/regression_tests/MA-English/6_Work_with_bids/CBD3-TE-MA-UC-06-01.robot

+*** Settings ***
+Documentation  6.Робота зi ставками 
+    ...  Поле поданої ставки пусте
+    ...  https://confluence-sale.prozorro.org/pages/viewpage.action?pageId=60950735#id-ТестуванняМАEnglish-CBD3-TE-MA-UC-06-01
+
+Library  String
+Library  DateTime
+
+Resource  ../fixtures/Resources/auction_conditions.robot
+
+Test Setup  Check For Pass Before
+Suite Setup  Create Session  api_procedures  %{PROCEDURE_URL}  verify=True
+Suite Teardown  Run Keywords  Delete All Sessions  Close All Browsers 
+
+*** Variables ***
+${AUCTION_NAME}  timber-english-initial-auction 
+
+*** Test Cases ***
+
+Початок аукціону та перевірка стану
+
+    Post Now  ${AUCTION_NAME}
+    Check Action Status  active_auction
+
+Init Bidder 
+
+    Open Browser Maximized  about:blank  ${BIDDER_TOKEN[0]}
+    ${BIDDER_URL_1} =  Get Request and return participationUrl By  ${ID}  ${BIDDER_TOKEN[0]}
+    Allow Terms  ${BIDDER_URL_1}
+
+Під час ходу учасника поле вводу ставки залишити пустим.
+    [Documentation]  If bid is empty, page should not contain reject bid button
+    ...  reject button checked in CBD3-TE-MA-UC-06-04
+    
+    Wait Until Page Contains Element  ${BTN_BET}  1m
+    Page Should Contain Element  ${NUMBER_INPUT}
+    Click Button  ${BTN_BET}
+    Page Should Not Contain  //div[@class='updates-list-item-status' and contains(.,'Ви зробили ставку')]
+    Element Should Be Disabled  ${BTN_BET}
+    Page Should Not Contain Element  ${BTN_BET_REJECT}
+ 
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