test: cover cases when we add a series sale with all or only required fields

Part of #498

Author: php-coder

Diff for: src/test/robotframework/series/sales/creation/logic.robot

@@ -0,0 +1,38 @@
+*** Settings ***
+Documentation    Verify adding a sale to a series
+Library          SeleniumLibrary
+Resource         ../../../auth.steps.robot
+Resource         ../../../selenium.utils.robot
+Suite Setup      Before Test Suite
+Suite Teardown   Close Browser
+Force Tags       series  sales  logic
+
+*** Test Cases ***
+Add a sale with only required fields
+	Select From List By Label  id:seller              Tommy Lee Jones
+	Input Text                 id:price               125
+	Select From List By Value  id:currency            RUB
+	Submit Form                id:add-series-sales-form
+	Element Text Should Be     id:series-sale-1-info  Tommy Lee Jones was selling for 125.00 RUB
+
+Add a sale with all fields
+	Input Text                 id:date          04.01.2021
+	Select From List By Label  id:seller        Eicca Toppinen
+	Input Text                 id:url           http://example.com/series-sale
+	Input Text                 id:price         7.5
+	Select From List By Value  id:currency      EUR
+	Input Text                 id:alt-price     10.1
+	Select From List By Label  id:alt-currency  USD
+	Select From List By Value  id:condition     MNH
+	Select From List By Label  id:buyer         Tommy Lee Jones
+	Submit Form                id:add-series-sales-form
+	Element Text Should Be     id:series-sale-1-info         04.01.2021 Eicca Toppinen sold to Tommy Lee Jones for 7.50 EUR (10.10 USD) (MNH)
+	Link Should Point To       id:series-sale-1-transaction  http://example.com/series-sale
+
+
+*** Keywords ***
+Before Test Suite
+	Open Browser                        ${SITE_URL}/account/auth  ${BROWSER}
+	Register Keyword To Run On Failure  Log Source
+	Log In As                           login=admin  password=test
+	Go To                               ${SITE_URL}/series/2