- Added validation.test.js and removed JsTestDriver equivalent.
- Fix unstable tests.

Accepted Public Pull Requests:
 - magento/magento2#13025: fixed issue prices aren't readable when using custom price symbol (by @pradeep-wagento)


Fixed GitHub Issues:
 - magento/magento2#12430: While assigning prices to configurable products, prices aren's readable when using custom price symbol. (reported by @quisse) has been fixed in magento/magento2#13025 by @pradeep-wagento in 2.2-develop branch
   Related commits:
     1. b3c0a3f3

Accepted Public Pull Requests:
 - magento/magento2#13141: Fix missing discount label in checkout (by @ihor-sviziev)
 - magento-engcom/magento2ce#1207: No locale for Swedish (Finland). (by @nmalevanec)
 - magento/magento2#13082: Fix Magento_Checkout address formatting (by @nfourteen)


Fixed GitHub Issues:
 - magento/magento2#11428: Cart Price Rule Label is not working (reported by @sasilinux) has been fixed in magento/magento2#13141 by @ihor-sviziev in 2.2-develop branch
   Related commits:
     1. 976182b2
     2. 3fc1f40d
     3. 0f36e0ea

 - magento/magento2#11497: Discount Rule does not show Default Rule Label (reported by @pmoreno1980) has been fixed in magento/magento2#13141 by @ihor-sviziev in 2.2-develop branch
   Related commits:
     1. 976182b2
     2. 3fc1f40d
     3. 0f36e0ea

 - magento/magento2#13095: No locale for Swedish (Finland) (reported by @rasmuswikman) has been fixed in magento-engcom/magento2ce#1207 by @nmalevanec in 2.2-develop branch
   Related commits:
     1. ecaa2c01

[Performance] Stabilize PAT tideways metrics [2.2-develop]

 - Merge Pull Request magento/magento2#13141 from ihor-sviziev/magento2:fix-discount-label
 - Merged commits:
   1. 976182b2
   2. 3fc1f40d
   3. 0f36e0ea

 - Merge Pull Request magento/magento2#13025 from pradeep-wagento/magento2:feature-price-symbol-12430
 - Merged commits:
   1. b3c0a3f3

Accepted Public Pull Requests:
 - magento-engcom/magento2ce#1117: 5550: Incorrect language on swatch error (by @nmalevanec)
 - magento/magento2#13101: 11828 Fix issue with swatch colour block not showing in admin panel once colour selected (PHP7.1.x issue). (by @chris-pook)
 - magento/magento2#12807: Reorder adding of page layout handles (by @aschrammel)


Fixed GitHub Issues:
 - magento/magento2#5550: Incorrect language on swatch error (reported by @Sanfam) has been fixed in magento-engcom/magento2ce#1117 by @nmalevanec in 2.2-develop branch
   Related commits:
     1. a9756987

 - magento/magento2#11828: Visual Swatches not showing swatch color in admin (reported by @lee586) has been fixed in magento/magento2#13101 by @chris-pook in 2.2-develop branch
   Related commits:
     1. ee5fc2ec

MAGETWO-86576: 11828 Fix issue with swatch colour block not showing in admin panel once colour selected (PHP7.1.x issue). #13101

 - Merge Pull Request magento-engcom/magento2ce#1207 from nmalevanec/magento2:13095
 - Merged commits:
   1. ecaa2c01

 - merged latest code from mainline branch

 - merged latest code from mainline branch

 - merged latest code from mainline branch

Accepted Public Pull Requests:
 - magento/magento2#13174: Fix: remove TestObserver class (by @Coderimus)
 - magento/magento2#13155: Optimization: module-sales is_null change to strict comparison instead (by @Coderimus)
 - magento/magento2#13171: Optimization: magento/module-catalog is_null change to strict comparison (by @Coderimus)
 - magento/magento2#13170: Optimization: magento/module-tax is_null change to strict comparison (by @Coderimus)
 - magento/magento2#13169: Optimization: magento/module-eav is_null change to strict comparison … (by @Coderimus)
 - magento-engcom/magento2ce#1216: #8453: [GitHub] Price outlining in Invoice PDF (by @serhii-balko)
 - magento/magento2#12990: [2.2.x] Fix undeclared dependency magento/zendframework1 by magento/framework (by @ihor-sviziev)
 - magento/magento2#12998: Make customer name link to customer dashboard (by @srenon)
 - magento/magento2#13086: Add failsafe to items.phtml (by @samgranger)
 - magento/magento2#13066: Fix for #12877 as per @azeemism (by @jagritijoshi)
 - magento/magento2#13033: Newsletter\Model\Subscriber::loadByEmail() does not use MySQL index (by @devamitbera)
 - magento-engcom/magento2ce#1032: magento/magento2#8114: "Save Block"-button on Add New Block silently ignores clicks if the content is empty. (by @RomaKis)


Fixed GitHub Issues:
 - magento/magento2#8453: Price outlining in Invoice PDF (reported by @joost-florijn-kega) has been fixed in magento-engcom/magento2ce#1216 by @serhii-balko in 2.2-develop branch
   Related commits:
     1. 21566e89

 - magento/magento2#12967: Undeclared dependency magento/zendframework1 by magento/framework (reported by @linden2015) has been fixed in magento/magento2#12990 by @ihor-sviziev in 2.2-develop branch
   Related commits:
     1. df2c8fda

 - magento/magento2#12877: [2.2.1] Magento Database Backup Command Fails (Fix included) (reported by @azeemism) has been fixed in magento/magento2#13066 by @jagritijoshi in 2.2-develop branch
   Related commits:
     1. bc434c1b

 - magento/magento2#12787: Newsletter\Model\Subscriber::loadByEmail() does not use MySQL index (reported by @schmengler) has been fixed in magento/magento2#13033 by @devamitbera in 2.2-develop branch
   Related commits:
     1. 75597839
     2. b8534974
     3. be8b258b

 - magento/magento2#8114: "Save Block"-button on Add New Block silently ignores clicks if the content is empty. (reported by @geon) has been fixed in magento-engcom/magento2ce#1032 by @RomaKis in 2.2-develop branch
   Related commits:
     1. 5bac54fc
     2. 4456872b
     3. 42ee7cc8

MAGETWO-86025: magento/magento2#8114: "Save Block"-button on Add New Block silently ignores clicks if the content is empty. #1032

Accepted Public Pull Requests:
 - magento/magento2#13161: Updated README file to take resources from 2.2 instead of 2.0. (by @bhargavmehta)

 - Test Reference MAGETWO 86766

 - Merge Pull Request magento/magento2#13174 from Coderimus/magento2:legacy/remove-test-controller
 - Merged commits:
   1. 7af2391c

 - Merge Pull Request magento/magento2#13155 from Coderimus/magento2:fix/sales-models-optimization-change-isnull
 - Merged commits:
   1. 016f5c7f