[box-tests] Added a couple of multi-module box tests

compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt

@@ -0,0 +1,17 @@
+// NO_CHECK_LAMBDA_INLINING
+// MODULE: lib
+// FILE: lib.kt
+package lib
+
+open class C {
+    fun o() = "O"
+    val k = "K"
+}
+
+inline fun inlineFun(f: () -> String = { val cc = object : C() {}; cc.o() + cc.k; }): String {
+    return f()
+}
+
+// MODULE: main(lib)
+// FILE: box.kt
+fun box() = lib.inlineFun()