8276306: jdk/jshell/CustomInputToolBuilder.java fails intermittently on storage acquisition

Reviewed-by: jlahoda

Author: shipilev

test/langtools/jdk/jshell/CustomInputToolBuilder.java

@@ -35,6 +35,7 @@
 import java.io.InputStream;
 import java.io.PrintStream;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
 import jdk.jshell.tool.JavaShellToolBuilder;
 import org.testng.annotations.Test;
@@ -88,6 +89,7 @@ private void doTest(boolean interactiveTerminal, String code, String... expected
                     .out(printOut, printOut, printOut)
                     .interactiveTerminal(interactiveTerminal)
                     .promptCapture(true)
+                    .persistence(new HashMap<>())
                     .start("--no-startup");
 
             String actual = new String(out.toByteArray());