Fix build errors.

Author: jaclync

Yosemite/Yosemite/Stores/PaymentStore.swift

@@ -64,7 +64,7 @@ private extension PaymentStore {
     func loadSiteCurrentPlan(siteID: Int64,
                              completion: (Result<WPComSitePlan, Error>) -> Void) {
         // TODO: 8558 - fetch site's current plan
-        completion(.success(.init(plan: .init(productID: 0, name: "", formattedPrice: ""), hasDomainCredit: true)))
+        completion(.success(.init(hasDomainCredit: true)))
     }
 
     func createCart(productID: String,

Yosemite/YosemiteTests/Mocks/Networking/Remote/MockDomainRemote.swift

@@ -21,4 +21,9 @@ extension MockDomainRemote: DomainRemoteProtocol {
         }
         return try result.get()
     }
+
+    func loadDomains(siteID: Int64) async throws -> [SiteDomain] {
+        // TODO: 8558 - Yosemite layer
+        throw NetworkError.notFound
+    }
 }

Yosemite/YosemiteTests/Mocks/Networking/Remote/MockPaymentRemote.swift

@@ -30,6 +30,11 @@ extension MockPaymentRemote: PaymentRemoteProtocol {
         return try result.get()
     }
 
+    func loadSiteCurrentPlan(siteID: Int64) async throws -> WPComSitePlan {
+        // TODO: 8558 - Yosemite layer
+        throw NetworkError.notFound
+    }
+
     func createCart(siteID: Int64, productID: Int64) async throws {
         guard let result = createCartResult else {
             XCTFail("Could not find result for creating a cart.")