[K/N][Tests] Migrate framework and objcexport tests

^KT-61259

native/native.tests/testData/framework/objcexport/refined.swift

@@ -0,0 +1,50 @@
+import Kt
+
+extension RefinedKt {
+    static func foo() -> Int {
+        return Int(RefinedKt.__fooRefined())! * 2
+    }
+
+    static func myFoo() -> Int {
+        return Int(RefinedKt.__myFooRefined())! * 2
+    }
+
+    static var bar: Int {
+        return Int(RefinedKt.__barRefined)! * 2
+    }
+
+    static var myBar: Int {
+        return Int(RefinedKt.__myBarRefined)! * 2
+    }
+}
+
+extension RefinedClassA {
+    func foo() -> Int {
+        return Int(__fooRefined())! * 2
+    }
+}
+
+private func testSwiftRefinements() throws {
+    try assertEquals(actual: RefinedKt.foo(), expected: 2)
+    try assertEquals(actual: RefinedKt.bar, expected: 6)
+}
+
+private func testMySwiftRefinements() throws {
+    try assertEquals(actual: RefinedKt.myFoo(), expected: 4)
+    try assertEquals(actual: RefinedKt.myBar, expected: 8)
+}
+
+private func testInheritedRefinements() throws {
+    try assertEquals(actual: RefinedClassA().foo(), expected: 2)
+    try assertEquals(actual: RefinedClassB().foo(), expected: 44)
+}
+
+class RefinedTests : SimpleTestProvider {
+    override init() {
+        super.init()
+
+        test("TestSwiftRefinements", testSwiftRefinements)
+        test("TestMySwiftRefinements", testMySwiftRefinements)
+        test("TestInheritedRefinements", testInheritedRefinements)
+    }
+}