rename argment progressHandler to completionHandler in TestSessionTask

Author: taish

Tests/APIKitTests/TestComponents/TestSessionAdapter.swift

@@ -40,18 +40,18 @@ class TestSessionAdapter: SessionAdapter {
     func executeAllTasks() {
         for task in tasks {
             if task.cancelled {
-                task.handler(nil, nil, Error.cancelled)
+                task.completionHandler(nil, nil, Error.cancelled)
             } else {
                 task.progressHandler(1, 1, 1)
-                task.handler(data, urlResponse, error)
+                task.completionHandler(data, urlResponse, error)
             }
         }
 
         tasks = []
     }
 
     func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, completionHandler: @escaping (Data?, URLResponse?, Swift.Error?) -> Void) -> SessionTask {
-        let task = TestSessionTask(progressHandler: progressHandler, handler: completionHandler)
+        let task = TestSessionTask(progressHandler: progressHandler, completionHandler: completionHandler)
         tasks.append(task)
 
         return task

Tests/APIKitTests/TestComponents/TestSessionTask.swift

@@ -3,12 +3,12 @@ import APIKit
 
 class TestSessionTask: SessionTask {
 
-    var handler: (Data?, URLResponse?, Error?) -> Void
+    var completionHandler: (Data?, URLResponse?, Error?) -> Void
     var progressHandler: (Int64, Int64, Int64) -> Void
     var cancelled = false
 
-    init(progressHandler: @escaping  (Int64, Int64, Int64) -> Void, handler: @escaping (Data?, URLResponse?, Error?) -> Void) {
-        self.handler = handler
+    init(progressHandler: @escaping  (Int64, Int64, Int64) -> Void, completionHandler: @escaping (Data?, URLResponse?, Error?) -> Void) {
+        self.completionHandler = completionHandler
         self.progressHandler = progressHandler
     }