Stop using deprecated isSameAs method

Replace with isSameInstanceAs.

Change-Id: I01d651d86c4fd1e5133278025986a74fcfac4734
diff --git a/.gitignore b/.gitignore
index f3a0d53..a832ec3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /.settings
 /bazel-*
 /eclipse-out
+/.apt_generated/
diff --git a/src/test/java/com/ericsson/gerrit/plugins/goimport/HttpModuleTest.java b/src/test/java/com/ericsson/gerrit/plugins/goimport/HttpModuleTest.java
index a0a107d..021c154 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/goimport/HttpModuleTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/goimport/HttpModuleTest.java
@@ -51,7 +51,7 @@
     GoImportFilter filter1 = injector.getInstance(GoImportFilter.class);
     assertThat(filter1).isNotNull();
     GoImportFilter filter2 = injector.getInstance(GoImportFilter.class);
-    assertThat(filter1).isSameAs(filter2);
+    assertThat(filter1).isSameInstanceAs(filter2);
   }
 
   public class TestModule extends AbstractModule {