quantityShouldBeANumber: port to Robot Framework.

Addressed to #530

No functional changes.

Author: php-coder

src/test/java/ru/mystamps/web/tests/cases/WhenAdminAddSeries.java

@@ -148,15 +148,6 @@ public void catalogNumbersShouldAcceptValidValues(String numbers, Object whateve
 		assertThat(page).field("gibbonsNumbers").hasNoError();
 	}
 
-	@Test(groups = "invalid", dependsOnGroups = "std")
-	public void quantityShouldBeANumber() {
-		page.fillQuantity("NaN");
-		
-		page.submit();
-		
-		assertThat(page).field("quantity").hasError(tr("typeMismatch"));
-	}
-	
 	@Test(groups = "invalid", dependsOnGroups = "std")
 	public void quantityShouldBeNotLessThanLimit() {
 		page.fillQuantity(String.valueOf(MIN_STAMPS_IN_SERIES - 1));

src/test/robotframework/series/creation/validation.robot

@@ -0,0 +1,38 @@
+*** Settings ***
+Documentation    Verify series creation validation scenarios
+Library          Selenium2Library
+Suite Setup      Before Test Suite
+Suite Teardown   After Test Suite
+Force Tags       series  validation
+
+*** Test Cases ***
+Create series with non-numeric quantity
+	[Documentation]         Verify validation of non-numeric quantity
+	Input Text              id=quantity  NaN
+	Submit Form             id=add-series-form
+	Element Text Should Be  id=quantity.errors  Invalid value
+
+*** Keywords ***
+Before Test Suite
+	[Documentation]                     Login as admin and go to create series page
+	Open Browser                        ${SITE_URL}  ${BROWSER}
+	Register Keyword To Run On Failure  Log Source
+	Log In As                           login=admin  password=test
+	Go To                               ${SITE_URL}/series/add
+
+After Test Suite
+	[Documentation]  Log out and close browser
+	Log Out
+	Close Browser
+
+Log In As
+	[Documentation]  Log in as a user
+	[Arguments]      ${login}  ${password}
+	Go To            ${SITE_URL}/account/auth
+	Input Text       id=login  ${login}
+	Input Password   id=password  ${password}
+	Submit Form      id=auth-account-form
+
+Log Out
+	[Documentation]  Log out current user
+	Submit Form      id=logout-form