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/properties/lateinit/exceptionField.kt

@@ -0,0 +1,21 @@
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS
+
+class A {
+    private lateinit var str: String
+
+    public fun getMyStr(): String {
+        try {
+            val a = str
+        } catch (e: RuntimeException) {
+            return "OK"
+        }
+
+        return "FAIL"
+    }
+}
+
+fun box(): String {
+    val a = A()
+    return a.getMyStr()
+}