Migrate all JDK 15 related tests to JDK 17

compiler/testData/codegen/boxModernJdk/testsWithJava17/sealed/compiledJavaSealedClass.kt

@@ -0,0 +1,36 @@
+// ISSUE: KT-41215, KT-43551
+
+// MODULE: lib
+
+// FILE: Base.java
+public sealed class Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.java
+public sealed class B extends Base permits B.C, B.D {
+    public static final class C extends B {}
+
+    public static non-sealed class D extends B {}
+}
+
+// MODULE: main(lib)
+fun test_1(base: Base): String {
+    return when (base) {
+        is A -> "O"
+        is B -> "Fail"
+    }
+}
+
+fun test_2(base: Base): String {
+    return when (base) {
+        is A -> "Fail A"
+        is B.C -> "K"
+        is B.D -> "Fail B.D"
+    }
+}
+
+fun box(): String {
+    return test_1(A()) + test_2(B.C())
+}