[K/N][tests] Added a bunch of tests on incremental compilation

native/native.tests/testData/caches/ic/addMethodToOpenClass2/lib1/lib1.file1.1.kt

@@ -0,0 +1,6 @@
+package test1
+
+open class A {
+    open fun baz() = "qxx"
+    open fun foo() = 117
+}

native/native.tests/testData/caches/ic/addMethodToOpenClass2/lib1/lib1.file1.kt

@@ -0,0 +1,5 @@
+package test1
+
+open class A {
+    open fun foo() = 117
+}

native/native.tests/testData/caches/ic/addMethodToOpenClass2/lib1/lib1.file2.kt

@@ -0,0 +1,5 @@
+package test1
+
+open class B : A() {
+    open fun bar() = "zzz"
+}

native/native.tests/testData/caches/ic/addMethodToOpenClass2/lib2/lib2.kt

@@ -0,0 +1,5 @@
+package test2
+
+import test1.*
+
+fun bar(b: B) = b.bar()

native/native.tests/testData/caches/ic/addMethodToOpenClass2/main/main.kt

@@ -0,0 +1,12 @@
+import kotlin.test.*
+import test1.*
+import test2.*
+
+class C : B() {
+    override fun bar() = "qzz"
+}
+
+@Test
+fun runTest() {
+    assertEquals("qzz", bar(C()))
+}