Reduce visibility of Subject.isNotA()

-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=74309082

1 files changed, 2 insertions, 2 deletions

diff --git a/jimfs/src/test/java/com/google/common/jimfs/JimfsUnixLikeFileSystemTest.java b/jimfs/src/test/java/com/google/common/jimfs/JimfsUnixLikeFileSystemTest.java
index 2e67fcc..91112e6 100644
--- a/jimfs/src/test/java/com/google/common/jimfs/JimfsUnixLikeFileSystemTest.java
+++ b/jimfs/src/test/java/com/google/common/jimfs/JimfsUnixLikeFileSystemTest.java
@@ -2317,11 +2317,11 @@ public class JimfsUnixLikeFileSystemTest extends AbstractJimfsIntegrationTest {
     Files.createFile(bar);
 
     try (DirectoryStream<Path> stream = Files.newDirectoryStream(foo)) {
-      assertThat(stream).isNotA(SecureDirectoryStream.class);
+      assertThat(stream).isNotInstanceOf(SecureDirectoryStream.class);
     }
 
     try (SeekableByteChannel channel = Files.newByteChannel(bar)) {
-      assertThat(channel).isNotA(FileChannel.class);
+      assertThat(channel).isNotInstanceOf(FileChannel.class);
     }
   }
 }