--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/StringSubstitutionTestBase.java	Sat Dec 08 05:04:19 2018 +0100
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/StringSubstitutionTestBase.java	Sat Dec 08 00:56:10 2018 -0800
@@ -38,9 +38,9 @@
  */
 public class StringSubstitutionTestBase extends MethodSubstitutionTest {
 
-    private ResolvedJavaMethod realMethod = null;
-    private ResolvedJavaMethod testMethod = null;
-    private InstalledCode testCode = null;
+    protected ResolvedJavaMethod realMethod = null;
+    protected ResolvedJavaMethod testMethod = null;
+    protected InstalledCode testCode = null;
 
     protected final String[] testData = new String[]{
                     "A", "\uFF21", "AB", "A", "a", "Ab", "AA", "\uFF21",