backend/tests: Add blackbox tests from Kotlin JVM

Added tests from testData/codegen/box directory. There are blackbox tests
in other directories and they are to be added.

backend.native/tests/external/codegen/blackbox/builtinStubMethods/Collection.kt

@@ -0,0 +1,34 @@
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS
+
+class MyCollection<T>: Collection<T> {
+    override val size: Int get() = 0
+    override fun isEmpty(): Boolean = true
+    override fun contains(o: T): Boolean = false
+    override fun iterator(): Iterator<T> = throw UnsupportedOperationException()
+    override fun containsAll(c: Collection<T>): Boolean = false
+    override fun hashCode(): Int = 0
+    override fun equals(other: Any?): Boolean = false
+}
+
+fun expectUoe(block: () -> Any) {
+    try {
+        block()
+        throw AssertionError()
+    } catch (e: UnsupportedOperationException) {
+    }
+}
+
+fun box(): String {
+    val myCollection = MyCollection<String>()
+    val collection = myCollection as java.util.Collection<String>
+
+    expectUoe { collection.add("") }
+    expectUoe { collection.remove("") }
+    expectUoe { collection.addAll(myCollection) }
+    expectUoe { collection.removeAll(myCollection) }
+    expectUoe { collection.retainAll(myCollection) }
+    expectUoe { collection.clear() }
+
+    return "OK"
+}