Automatic code cleanup.

PiperOrigin-RevId: 245446254
diff --git a/src/test/java/com/google/devtools/build/lib/vfs/FileSystemsTest.java b/src/test/java/com/google/devtools/build/lib/vfs/FileSystemsTest.java
index f52d959..58589de 100644
--- a/src/test/java/com/google/devtools/build/lib/vfs/FileSystemsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/vfs/FileSystemsTest.java
@@ -38,6 +38,7 @@
 
   @Test
   public void testFileSystemsCanSwitchDefaults() {
-    assertThat(FileSystems.getJavaIoFileSystem()).isNotSameAs(FileSystems.getNativeFileSystem());
+    assertThat(FileSystems.getJavaIoFileSystem())
+        .isNotSameInstanceAs(FileSystems.getNativeFileSystem());
   }
 }