Add PromiseKit dependency

- Added PromiseKit dependency

Carthage/Checkouts/PromiseKit/Extensions/MapKit/Tests/TestMapKit.swift

@@ -0,0 +1,63 @@
+import PromiseKit
+import PMKMapKit
+import MapKit
+import XCTest
+
+class Test_MKDirections_Swift: XCTestCase {
+    func test_directions_response() {
+        let ex = expectation(description: "")
+
+        class MockDirections: MKDirections {
+            override func calculate(completionHandler: @escaping MKDirectionsHandler) {
+                completionHandler(MKDirectionsResponse(), nil)
+            }
+        }
+
+        let rq = MKDirectionsRequest()
+        let directions = MockDirections(request: rq)
+
+        directions.calculate().done { _ in
+            ex.fulfill()
+        }
+
+        waitForExpectations(timeout: 1, handler: nil)
+    }
+
+
+    func test_ETA_response() {
+        let ex = expectation(description: "")
+
+        class MockDirections: MKDirections {
+            override func calculateETA(completionHandler: @escaping MKETAHandler) {
+                completionHandler(MKETAResponse(), nil)
+            }
+        }
+
+        let rq = MKDirectionsRequest()
+        MockDirections(request: rq).calculateETA().done { rsp in
+            ex.fulfill()
+        }
+
+        waitForExpectations(timeout: 1, handler: nil)
+    }
+
+}
+
+class Test_MKSnapshotter_Swift: XCTestCase {
+    func test() {
+        let ex = expectation(description: "")
+
+        class MockSnapshotter: MKMapSnapshotter {
+            override func start(completionHandler: @escaping MKMapSnapshotCompletionHandler) {
+                completionHandler(MKMapSnapshot(), nil)
+            }
+        }
+
+        let snapshotter = MockSnapshotter()
+        snapshotter.start().done { _ in
+            ex.fulfill()
+        }
+
+        waitForExpectations(timeout: 1, handler: nil)
+    }
+}