[K/N][tests] Migrate link tests to new testing infra ^KT-61259

native/native.tests/testData/codegen/initializers/multipleModules1.kt

@@ -0,0 +1,16 @@
+// MODULE: lib
+// FILE: lib.kt
+
+val a = 10
+val b = a * 6
+val c = a * b * 2
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(1200, c)
+    return "OK"
+}

native/native.tests/testData/codegen/initializers/multipleModules2.kt

@@ -0,0 +1,11 @@
+// MODULE: lib
+// FILE: lib.kt
+
+val a = mutableListOf<String>()
+val b = 1.also { a += "OK" }
+val c = a.single()
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+fun box() = c

native/native.tests/testData/codegen/initializers/sharedVarInInitBlock.kt

@@ -0,0 +1,21 @@
+// MODULE: lib
+// FILE: lib.kt
+
+class A {
+    val x: String
+
+    init {
+        var y = "FAIL"
+
+        fun foo() { y = "OK" }
+
+        foo()
+
+        x = y
+    }
+}
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+fun box() = A().x