Relax 030-bad-finalizer test

Interpreter and jit tests fail on slower devices (e.g. emulators)
because "spin for a bit" takes more than 10 seconds and the bad
finalizer timeouts too early (before it enters infinite loop).

Test: ./testrunner.py --target -t 030
Change-Id: I38a1297b79e0246d021e25b61feaefaec0df8886
diff --git a/test/030-bad-finalizer/src/Main.java b/test/030-bad-finalizer/src/Main.java
index 0e69a96..71167c1 100644
--- a/test/030-bad-finalizer/src/Main.java
+++ b/test/030-bad-finalizer/src/Main.java
@@ -94,9 +94,7 @@
             /* spin for a bit */
             long start, end;
             start = System.nanoTime();
-            for (int i = 0; i < 1000000; i++) {
-                j++;
-            }
+            snooze(2000);
             end = System.nanoTime();
             System.out.println("Finalizer done spinning.");