Extract workaround into a separate keyword and use it everywhere.

No functional changes.

Author: php-coder

src/test/robotframework/participant/creation/misc.robot

@@ -2,6 +2,7 @@
 Documentation    Verify miscellaneous aspects of participant creation
 Library          Selenium2Library
 Resource         ../../auth.steps.robot
+Resource         ../../selenium.utils.robot
 Suite Setup      Before Test Suite
 Suite Teardown   After Test Suite
 Force Tags       participant  misc
@@ -12,10 +13,7 @@ Name and url should be stripped from leading and trailing spaces
 	Input Text                 id=url   ${SPACE * 2}url${SPACE * 2}
 	Submit Form                id=add-participant-form
 	Textfield Value Should Be  id=name  f
-	# We can't use "Textfield Value Should Be" because it causes NPE:
-	# https://github.com/MarkusBernhardt/robotframework-selenium2library-java/issues/92
-	${value}=                  Get Value  id=url
-	Should Be Equal            ${value}   url
+	Urlfield Value Should Be   id=url   url
 
 *** Keywords ***
 Before Test Suite

src/test/robotframework/selenium.utils.robot

@@ -7,3 +7,11 @@ Element Text Should Match Regexp
 	[Arguments]          ${locator}  ${regexp}
 	${text}=             Get Text  ${locator}
 	Should Match Regexp  ${text}  ${regexp}
+
+# Workaround for "Textfield Value Should Be" that causes NPE with <input type="url">:
+# https://github.com/MarkusBernhardt/robotframework-selenium2library-java/issues/92
+Urlfield Value Should Be
+	[Documentation]  Verifies text field locator has exactly text expected
+	[Arguments]      ${locator}  ${expected}
+	${value}=        Get Value  ${locator}
+	Should Be Equal  ${expected}  ${value}

src/test/robotframework/series/import/request-logic.robot

@@ -3,6 +3,7 @@ Documentation    Verify scenarios of importing a series from an external site
 Library          Selenium2Library
 Library          DateTime
 Resource         ../../auth.steps.robot
+Resource         ../../selenium.utils.robot
 Suite Setup      Before Test Suite
 Suite Teardown   After Test Suite
 Test Setup       Before Test
@@ -18,18 +19,15 @@ Import series from an external site (in English, use category, country and date
 	Should Match Regexp              ${requestLocation}  /series/import/request/\\d+
 	${category}=                     Get Selected List Label  id=category
 	${country}=                      Get Selected List Label  id=country
-	# We can't use "Textfield Value Should Be" because it causes NPE on inputs of type url/number:
-	# https://github.com/MarkusBernhardt/robotframework-selenium2library-java/issues/92
 	${quantity}=                     Get Value  id=quantity
-	${imageUrl}=                     Get Value  id=image-url
 	${year}=                         Get Selected List Label  id=year
 	Element Text Should Be           id=request-url     ${importUrl}
 	Element Text Should Be           id=request-status  ParsingSucceeded
 	Should Be Equal                  ${category}        Prehistoric animals
 	Should Be Equal                  ${country}         Italy
 	Should Be Empty                  ${quantity}
 	Checkbox Should Be Selected      id=perforated
-	Should Be Equal                  ${imageUrl}        http://127.0.0.1:8080/image/1
+	Urlfield Value Should Be         id=image-url       http://127.0.0.1:8080/image/1
 	Should Be Equal                  ${year}            2000
 	Input Text                       id=quantity  1
 	Submit Form                      id=create-series-form
@@ -62,18 +60,15 @@ Import series from an external site (in Russian, use description locator)
 	Should Match Regexp          ${location}  /series/import/request/\\d+
 	${category}=                 Get Selected List Label  id=category
 	${country}=                  Get Selected List Label  id=country
-	# We can't use "Textfield Value Should Be" because it causes NPE on inputs of type url/number:
-	# https://github.com/MarkusBernhardt/robotframework-selenium2library-java/issues/92
 	${quantity}=                 Get Value  id=quantity
-	${imageUrl}=                 Get Value  id=image-url
 	${year}=                     Get Selected List Label  id=year
 	Element Text Should Be       id=request-url     http://localhost:8080/series/2?lang=ru&str=тест
 	Element Text Should Be       id=request-status  ParsingSucceeded
 	Should Be Equal              ${category}        Prehistoric animals
 	Should Be Equal              ${country}         Italy
 	Should Be Empty              ${quantity}
 	Checkbox Should Be Selected  id=perforated
-	Should Be Equal              ${imageUrl}        http://localhost:8080/image/1
+	Urlfield Value Should Be     id=image-url       http://localhost:8080/image/1
 	Should Be Equal              ${year}            2000
 
 Import series from external site with catalog numbers (use description locator)
@@ -120,10 +115,7 @@ Import series and series sale with a new seller from an external site
 	${group}=                   Get Selected List Label  id=seller-group
 	Should Be Equal             ${group}  example.com
 	Textfield Value Should Be   id=seller-name  Lando Livianus
-	# We can't use "Textfield Value Should Be" because it causes NPE:
-	# https://github.com/MarkusBernhardt/robotframework-selenium2library-java/issues/92
-	${sellerUrl}=               Get Value     id=seller-url
-	Should Be Equal             ${sellerUrl}  http://example.com/lando-livianus
+	Urlfield Value Should Be    id=seller-url   http://example.com/lando-livianus
 	Submit Form                 id=create-series-form
 	${seriesLocation}=          Get Location
 	Should Match Regexp         ${seriesLocation}  /series/\\d+

src/test/robotframework/series/sales/misc.robot

@@ -2,18 +2,16 @@
 Documentation    Verify miscellaneous aspects of adding series sales
 Library          Selenium2Library
 Resource         ../../auth.steps.robot
+Resource         ../../selenium.utils.robot
 Suite Setup      Before Test Suite
 Suite Teardown   After Test Suite
 Force Tags       series  sales  misc
 
 *** Test Cases ***
 Url should be stripped from leading and trailing spaces
-	Input Text       id=url  ${SPACE * 2}bad-value${SPACE * 2}
-	Submit Form      id=add-series-sales-form
-	# We can't use "Textfield Value Should Be" because it causes NPE:
-	# https://github.com/MarkusBernhardt/robotframework-selenium2library-java/issues/92
-	${value}=        Get Value  id=url
-	Should Be Equal  ${value}   bad-value
+	Input Text                id=url  ${SPACE * 2}bad-value${SPACE * 2}
+	Submit Form               id=add-series-sales-form
+	Urlfield Value Should Be  id=url  bad-value
 
 *** Keywords ***
 Before Test Suite