adjust tests on JDK 17+ for PermittedSubclasses change

references scala#10105

Author: SethTisue

test/files/neg/t8700b-new.check

@@ -0,0 +1,11 @@
+Bar_2.scala:4: warning: match may not be exhaustive.
+It would fail on the following input: B
+  def bar1(foo: Foo_1) = foo match {
+                         ^
+Bar_2.scala:8: warning: match may not be exhaustive.
+It would fail on the following inputs: (_ : Baz_1$1), (_ : Baz_1$2), B
+  def bar2(foo: Baz_1) = foo match {
+                         ^
+error: No warnings can be incurred under -Werror.
+2 warnings
+1 error

test/files/neg/t8700b-new/Bar_2.scala

@@ -0,0 +1,11 @@
+// javaVersion: 17+
+// scalac: -Werror
+object Bar {
+  def bar1(foo: Foo_1) = foo match {
+    case Foo_1.A => 1
+  }
+
+  def bar2(foo: Baz_1) = foo match {
+    case Baz_1.A => 1
+    }
+}

test/files/neg/t8700b-new/Baz_1.java

@@ -0,0 +1,12 @@
+// javaVersion: 17+
+public enum Baz_1 {
+    A {
+    	public void baz1() {}
+    },
+    B {
+        public void baz1() {}
+    };
+
+    public abstract void baz1();
+    public void baz2() {}
+}

test/files/neg/t8700b-new/Foo_1.java

@@ -0,0 +1,5 @@
+// javaVersion: 17+
+public enum Foo_1 {
+    A,
+    B
+}

test/files/neg/t8700b.check renamed to test/files/neg/t8700b-old.check

@@ -1,8 +1,8 @@
-Bar_2.scala:3: warning: match may not be exhaustive.
+Bar_2.scala:4: warning: match may not be exhaustive.
 It would fail on the following input: B
   def bar1(foo: Foo_1) = foo match {
                          ^
-Bar_2.scala:7: warning: match may not be exhaustive.
+Bar_2.scala:8: warning: match may not be exhaustive.
 It would fail on the following input: B
   def bar2(foo: Baz_1) = foo match {
                          ^

test/files/neg/t8700b/Bar_2.scala renamed to test/files/neg/t8700b-old/Bar_2.scala

@@ -1,3 +1,4 @@
+// javaVersion: 8
 // scalac: -Werror
 object Bar {
   def bar1(foo: Foo_1) = foo match {

test/files/neg/t8700b/Baz_1.java renamed to test/files/neg/t8700b-old/Baz_1.java

@@ -1,3 +1,4 @@
+// javaVersion: 8
 public enum Baz_1 {
     A {
     	public void baz1() {}

test/files/neg/t8700b/Foo_1.java renamed to test/files/neg/t8700b-old/Foo_1.java

@@ -1,3 +1,4 @@
+// javaVersion: 8
 public enum Foo_1 {
     A,
     B