New J2K: add multi-file conversion tests from old j2k

nj2k/testData/multiFile/ProtectedVisibility/InheritorOtherPackage1.java

@@ -0,0 +1,13 @@
+package test;
+
+public class BaseOtherPackage {
+    protected BaseOtherPackage() {
+
+    }
+
+    protected void foo() {
+
+    }
+
+    protected int i = 1;
+}

nj2k/testData/multiFile/ProtectedVisibility/InheritorOtherPackage1.kt

@@ -0,0 +1,6 @@
+package test
+
+open class BaseOtherPackage protected constructor() {
+    protected fun foo() {}
+    protected var i = 1
+}

nj2k/testData/multiFile/ProtectedVisibility/InheritorOtherPackage2.java

@@ -0,0 +1,11 @@
+package test2;
+
+import test.*;
+
+public class DerivedOtherPackage extends BaseOtherPackage {
+    protected DerivedOtherPackage() {
+        super();
+        foo();
+        int i = this.i;
+    }
+}

nj2k/testData/multiFile/ProtectedVisibility/InheritorOtherPackage2.kt

@@ -0,0 +1,10 @@
+package test2
+
+import test.BaseOtherPackage
+
+class DerivedOtherPackage protected constructor() : BaseOtherPackage() {
+    init {
+        foo()
+        val i = i
+    }
+}

nj2k/testData/multiFile/ProtectedVisibility/external/KotlinFile.kt

@@ -0,0 +1,10 @@
+package test3
+
+import test.*
+
+class DerivedOtherPackageKotlin : BaseOtherPackage() {
+    init {
+        foo()
+        val i = this.i
+    }
+}

nj2k/testData/multiFile/ProtectedVisibility/external/KotlinFile.kt.expected

@@ -0,0 +1,10 @@
+package test3
+
+import test.*
+
+class DerivedOtherPackageKotlin : BaseOtherPackage() {
+    init {
+        foo()
+        val i = this.i
+    }
+}