[JS IR] Add IC test for interface with default implementation

js/js.translator/testData/incremental/invalidation/interfaceOpenMethods/main/m.kt

@@ -0,0 +1,15 @@
+fun box(stepId: Int): String {
+    val expected = when (stepId) {
+        0 -> 10
+        1 -> 13
+        2 -> 16
+        else -> return "Unknown"
+    }
+
+    val x = test()
+    if (expected != x) {
+        return "Fail $expected != $x"
+    }
+
+    return "OK"
+}

js/js.translator/testData/incremental/invalidation/interfaceOpenMethods/main/module.info

@@ -0,0 +1,13 @@
+STEP 0:
+    dependencies: lib1, lib2
+    modifications:
+        U : test.0.kt -> test.kt
+    added file: m.kt, test.kt
+STEP 1:
+    dependencies: lib1, lib2
+    updated imports: test.kt
+STEP 2:
+    dependencies: lib1, lib2
+    modifications:
+        U : test.2.kt -> test.kt
+    modified ir: test.kt

js/js.translator/testData/incremental/invalidation/interfaceOpenMethods/main/test.0.kt

@@ -0,0 +1,7 @@
+fun test(): Int {
+    val a = getObjectA()
+    val b = getObjectB()
+    val c = getObjectC()
+
+    return a.testA1() + b.testA1() + b.testB1() + c.testA1() + c.testB1() + c.testC1()
+}

js/js.translator/testData/incremental/invalidation/interfaceOpenMethods/main/test.2.kt

@@ -0,0 +1,9 @@
+fun test(): Int {
+    val a = getObjectA()
+    val b = getObjectB()
+    val c = getObjectC()
+
+    return a.testA1() + a.testA2() +
+            b.testA1() + b.testA2() + b.testB1() +
+            c.testA1() + c.testA2() + c.testB1() + c.testC1()
+}