Update release notes and add move SKU format string to a private extension of a test class based on CR suggestions.

Author: jaclync

RELEASE-NOTES.txt

@@ -3,9 +3,9 @@
 10.6
 -----
 
+- [**] Products tab: products search now has an option to search products by SKU. Stores with WC version 6.6+ support partial SKU search, otherwise the product(s) with the exact SKU match is returned. [https://github.com/woocommerce/woocommerce-ios/pull/7781]
 - [*] Fixed a rare crash when selecting a store in the store picker. [https://github.com/woocommerce/woocommerce-ios/pull/7765]
 - [*] Help center: Added help center web page with FAQs for "Not a WooCommerce site" and "Wrong WordPress.com account" error screens. [https://github.com/woocommerce/woocommerce-ios/pull/7767, https://github.com/woocommerce/woocommerce-ios/pull/7769]
-- [*] Products tab: products search now has an option to search products by SKU. Stores with WC version 6.6+ support partial SKU search, otherwise the product(s) with the exact SKU match is returned. [https://github.com/woocommerce/woocommerce-ios/pull/7781]
 
 10.5
 -----

WooCommerce/WooCommerceTests/ViewRelated/Products/ProductsTabProductViewModelTests.swift

@@ -103,8 +103,7 @@ final class ProductsTabProductViewModelTests: XCTestCase {
         let detailsText = viewModel.detailsAttributedString.string
 
         // Then
-        let skuFormat = NSLocalizedString("SKU: %1$@", comment: "Label about the SKU of a product in the product list. Reads, `SKU: productSku`")
-        let expectedSKU = String.localizedStringWithFormat(skuFormat, sku)
+        let expectedSKU = String.localizedStringWithFormat(Localization.skuFormat, sku)
         XCTAssertTrue(detailsText.contains(expectedSKU))
     }
 
@@ -118,8 +117,7 @@ final class ProductsTabProductViewModelTests: XCTestCase {
         let detailsText = viewModel.detailsAttributedString.string
 
         // Then
-        let skuFormat = NSLocalizedString("SKU: %1$@", comment: "Label about the SKU of a product in the product list. Reads, `SKU: productSku`")
-        let skuText = String.localizedStringWithFormat(skuFormat, sku)
+        let skuText = String.localizedStringWithFormat(Localization.skuFormat, sku)
         XCTAssertFalse(detailsText.contains(skuText))
     }
 }
@@ -138,3 +136,9 @@ extension ProductsTabProductViewModelTests {
                                    variations: variations)
     }
 }
+
+private extension ProductsTabProductViewModelTests {
+    enum Localization {
+        static let skuFormat = NSLocalizedString("SKU: %1$@", comment: "Label about the SKU of a product in the product list. Reads, `SKU: productSku`")
+    }
+}