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

native/native.tests/testData/caches/ic/fileDependencies2/main/main.1.kt

@@ -0,0 +1,9 @@
+import kotlin.test.*
+import test1.*
+import test2.*
+
+@Test
+fun runTest() {
+    assertEquals(117, bar())
+    assertEquals(40, baz())
+}

native/native.tests/testData/caches/ic/fileDependencies2/main/main.kt

@@ -0,0 +1,9 @@
+import kotlin.test.*
+import test1.*
+import test2.*
+
+@Test
+fun runTest() {
+    assertEquals(117, bar())
+    assertEquals(42, baz())
+}