/series/import/request: allow URLs longer than 285 characters.

Update validation to match the database.

Correction for 33dd902 commit.

Addressed to #772

Author: php-coder

src/main/java/ru/mystamps/web/Db.java

@@ -41,7 +41,7 @@ public static final class Series {
 	}
 
 	public static final class SeriesImportRequest {
-		public static final int URL_LENGTH = 285;
+		public static final int URL_LENGTH = 767;
 	}
 
 	public static final class SeriesImportRequestStatus {

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

@@ -15,9 +15,9 @@ Submit request with blank required field
 Submit request with too long url
 	[Documentation]         Verify validation of too long url
 	${letter}=              Set Variable  j
-	Input Text              id=url  http://${letter * 285}
+	Input Text              id=url  http://${letter * 767}
 	Submit Form             id=import-series-form
-	Element Text Should Be  id=url.errors  Value is greater than allowable maximum of 285 characters
+	Element Text Should Be  id=url.errors  Value is greater than allowable maximum of 767 characters
 
 Submit request with invalid url
 	[Documentation]         Verify validation of invalid url