[Test] Merge box against java testdata into codegen black box testsdata

compiler/testData/codegen/constructor/genericConstructor.kt

@@ -0,0 +1,22 @@
+// DONT_TARGET_EXACT_BACKEND: JS JS_IR JS_IR_ES6 WASM NATIVE
+// MODULE: lib
+// FILE: test/Foo.java
+
+package test;
+
+public class Foo<T extends Number> {
+    public Foo(T number) {}
+}
+
+// MODULE: main(lib)
+// FILE: 1.kt
+
+import test.Foo
+
+class Subclass : Foo<Int>(42) {
+}
+
+fun box(): String {
+    Subclass()
+    return "OK"
+}