1 files changed, 3 insertions, 10 deletions
diff --git a/android/guava-testlib/src/com/google/common/collect/testing/testers/NavigableMapNavigationTester.java b/android/guava-testlib/src/com/google/common/collect/testing/testers/NavigableMapNavigationTester.java
index ebb86b615..936783e77 100644
--- a/android/guava-testlib/src/com/google/common/collect/testing/testers/NavigableMapNavigationTester.java
+++ b/android/guava-testlib/src/com/google/common/collect/testing/testers/NavigableMapNavigationTester.java
@@ -20,6 +20,7 @@ import static com.google.common.collect.testing.features.CollectionSize.ONE;
 import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
 import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
+import static org.junit.Assert.assertThrows;
 
 import com.google.common.annotations.GwtIncompatible;
 import com.google.common.collect.testing.AbstractMapTester;
@@ -162,11 +163,7 @@ public class NavigableMapNavigationTester<K, V> extends AbstractMapTester<K, V>
 
   @MapFeature.Require(absent = SUPPORTS_REMOVE)
   public void testPollFirstUnsupported() {
-    try {
-      navigableMap.pollFirstEntry();
-      fail();
-    } catch (UnsupportedOperationException e) {
-    }
+    assertThrows(UnsupportedOperationException.class, () -> navigableMap.pollFirstEntry());
   }
 
   @CollectionSize.Require(SEVERAL)
@@ -229,11 +226,7 @@ public class NavigableMapNavigationTester<K, V> extends AbstractMapTester<K, V>
   @MapFeature.Require(absent = SUPPORTS_REMOVE)
   @CollectionSize.Require(SEVERAL)
   public void testPollLastUnsupported() {
-    try {
-      navigableMap.pollLastEntry();
-      fail();
-    } catch (UnsupportedOperationException e) {
-    }
+    assertThrows(UnsupportedOperationException.class, () -> navigableMap.pollLastEntry());
   }
 
   @CollectionSize.Require(SEVERAL)