Add fix and adapt tests

resources/baseline_examples/example-variants.csv

@@ -1,4 +1,4 @@
-id	parent_id	ordernumber	name	summary	description	price	overriddenPrice	url	keywords	groups	bonus	sales_frequency	date_added	sort	visibility	image0	image1	image2	prop_sale	prop_novelty	prop_logo	prop_availability	prop_old_price	prop_Basic_rate_price	prop_file_type	prop_number_of_comments	prop_badge	attrib_cat	attrib_cat_url	attrib_brand	attrib_color	attrib_ratingAvg	attrib_ratingCount	attrib_free_shipping	attrib_type	attrib_variant_value
+id	parent_id	ordernumber	name	summary	description	price	overriddenPrice	url	keywords	groups	bonus	sales_frequency	date_added	sort	visible	image0	image1	image2	prop_sale	prop_novelty	prop_logo	prop_availability	prop_old_price	prop_Basic_rate_price	prop_file_type	prop_number_of_comments	prop_badge	attrib_cat	attrib_cat_url	attrib_brand	attrib_color	attrib_ratingAvg	attrib_ratingCount	attrib_free_shipping	attrib_type	attrib_variant_value
 5444bb0aa92841858ac47ef71c9cbab9		277KTL-v|4987123846879-v|variant1|variant2|variant3	Adidas Sneaker	A cool and fashionable sneaker	With this sneaker you will walk in style. It's available in green and blue.	44.80	54.80	https://www.store.com/sneakers/adidas.html	277KTL,4987123846879	B2B,student	3	5	2019-10-31T10:20:28+02:00	5	1	https://www.store.com/images/277KTL.png	https://www.store.com/images/thumbnails/277KTL.png		1	0	http://www.shop.de/brand.png	4 days	99.9	99.9				Sneakers_Men,Specials_Sale	/sneakers,/sneakers/men,/specials,/specials/sale	Adidas	green\,brown,blue	4.5	11	1	product	
 variant1	5444bb0aa92841858ac47ef71c9cbab9	variant1	Adidas Sneaker blue			13.99	0.00	https://www.store.com/sneakers/adidas_blue.html								https://www.store.com/images/277KTL_blue.png	https://www.store.com/images/thumbnails/277KTL_blue.png										https://www.store.com/images/badges/new.png									Blue
 variant2	5444bb0aa92841858ac47ef71c9cbab9	variant2	Adidas Sneaker red			7.49	14.99	https://www.store.com/sneakers/adidas_red.html								https://www.store.com/images/277KTL_red.png	https://www.store.com/images/thumbnails/277KTL_red.png		50%								https://www.store.com/images/badges/sale.png									Red

resources/baseline_examples/example.csv

@@ -1,3 +1,3 @@
-id	parent_id	ordernumber	name	summary	description	price	overriddenPrice	url	keywords	groups	bonus	sales_frequency	date_added	sort	visibility	image0	image1	image2	prop_sale	prop_novelty	prop_logo	prop_availability	prop_old_price	prop_Basic_rate_price	prop_variants	prop_file_type	prop_number_of_comments	prop_badge	attrib_cat	attrib_cat_url	attrib_brand	attrib_color	attrib_ratingAvg	attrib_ratingCount	attrib_free_shipping	attrib_type
+id	parent_id	ordernumber	name	summary	description	price	overriddenPrice	url	keywords	groups	bonus	sales_frequency	date_added	sort	visible	image0	image1	image2	prop_sale	prop_novelty	prop_logo	prop_availability	prop_old_price	prop_Basic_rate_price	prop_variants	prop_file_type	prop_number_of_comments	prop_badge	attrib_cat	attrib_cat_url	attrib_brand	attrib_color	attrib_ratingAvg	attrib_ratingCount	attrib_free_shipping	attrib_type
 01120c948ad41a2284ad9f0402fbc7d		277KTL|4987123846879	Adidas Sneaker	A cool and fashionable sneaker	With this sneaker you will walk in style. It's available in green and blue.	44.80	54.80	https://www.store.com/sneakers/adidas.html	277KTL,4987123846879	B2B,student	3	5	2019-10-31T10:20:28+02:00	5	1	https://www.store.com/images/277KTL.png	https://www.store.com/images/thumbnails/277KTL.png		1	0	http://www.shop.de/brand.png	4 days	99.9	99.9	{"Blue":{"title":"Adidas Sneaker blue","badge":"https:\/\/www.store.com\/images\/badges\/new.png","price":"13.99","old_price":"","sale":"","image":"https:\/\/www.store.com\/images\/277KTL-blue.png","thumbnail":"https:\/\/www.store.com\/images\/thumbs\/277KTL-blue.png","productUrl":"https:\/\/www.store.com\/sneakers\/adidas-blue.html"},"Red":{"title":"Adidas Sneaker red","badge":"https:\/\/www.store.com\/images\/badges\/sale.png","price":"7.49","old_price":"14.99","sale":"50%","image":"https:\/\/www.store.com\/images\/277KTL-red.png","thumbnail":"https:\/\/www.store.com\/images\/thumbs\/277KTL-red.png","productUrl":"https:\/\/www.store.com\/sneakers\/adidas-red.html"},"Grey":{"title":"Adidas Sneaker grey","badge":"https:\/\/www.store.com\/images\/badges\/sale.png","price":"6.49","old_price":"12.99","sale":"50%","thumbnail":"https:\/\/www.store.com\/images\/thumbs\/277KTL-grey.png","productUrl":"https:\/\/www.store.com\/sneakers\/adidas-grey.html"}}				Sneakers_Men,Specials_Sale	/sneakers,/sneakers/men,/specials,/specials/sale	Adidas	green\,brown,blue	4.5	11	1	product
 content_ypy44hn5rpk8nggba8vxmpx68d8v7ra		pdf304xyz|9424585418519	Aliquam eget vehicula.	Nullam blandit in ipsum ac feugiat. Vivamus varius, velit nec.	In tempus eleifend orci, eu suscipit dolor pellentesque ac. Morbi.	0.00	0.00	https://www.store.com/documents/pdf304xyz.pdf	pdf304xyz,9424585418519	B2B,student	7	23	2019-10-31T10:20:28+02:00	1	1	https://www.store.com/images/pdf304xyz.png	https://www.store.com/images/thumbnails/pdf304xyz.png									pdf	9									content

src/CSV/CSVExporter.php

@@ -12,7 +12,7 @@ final class CSVExporter extends Exporter
 {
     /** @var string */
     private const HEADING = "id\tparent_id\tordernumber\tname\tsummary\tdescription\tprice\toverriddenPrice\turl\t" .
-        "keywords\tgroups\tbonus\tsales_frequency\tdate_added\tsort\tvisibility";
+        "keywords\tgroups\tbonus\tsales_frequency\tdate_added\tsort\tvisible";
 
     /** @var string */
     public const LINE_TEMPLATE = "%s\t%s\t%s\t%s\t%s\t%s\t%.2f\t%.2f\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s%s%s%s\n";

tests/CSVSerializationTest.php

@@ -38,7 +38,7 @@ final class CSVSerializationTest extends TestCase
 {
     /** @var string */
     private const DEFAULT_CSV_HEADING = "id\tparent_id\tordernumber\tname\tsummary\tdescription\tprice\t" .
-        "overriddenPrice\turl\tkeywords\tgroups\tbonus\tsales_frequency\tdate_added\tsort\tvisibility";
+        "overriddenPrice\turl\tkeywords\tgroups\tbonus\tsales_frequency\tdate_added\tsort\tvisible";
 
     /** @var string */
     private const CSV_PATH = '/tmp/findologic.csv';