fix red tests

Change-Id: I2907831a4617f1e87d90717d78111f0879740774
diff --git a/src/test/java/com/android/tools/r8/desugar/backports/LongBackportSingleMethodTest.java b/src/test/java/com/android/tools/r8/desugar/backports/LongBackportSingleMethodTest.java
index 1308f84..4ddc18c 100644
--- a/src/test/java/com/android/tools/r8/desugar/backports/LongBackportSingleMethodTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/backports/LongBackportSingleMethodTest.java
@@ -25,7 +25,7 @@
 
   public LongBackportSingleMethodTest(TestParameters parameters) {
     super(parameters, Long.class, Main.class);
-    registerTarget(AndroidApiLevel.O, 10);
+    registerTarget(AndroidApiLevel.O, 2);
   }
 
   static final class Main extends MiniAssert {