Deletes CODEC fields now that they are no longer needed.

PiperOrigin-RevId: 187397314
diff --git a/src/test/java/com/google/devtools/build/lib/actions/ArtifactTest.java b/src/test/java/com/google/devtools/build/lib/actions/ArtifactTest.java
index 13cdbc7..26efc19 100644
--- a/src/test/java/com/google/devtools/build/lib/actions/ArtifactTest.java
+++ b/src/test/java/com/google/devtools/build/lib/actions/ArtifactTest.java
@@ -25,7 +25,7 @@
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.rules.cpp.CppFileTypes;
 import com.google.devtools.build.lib.rules.java.JavaSemantics;
-import com.google.devtools.build.lib.skyframe.serialization.testutils.ObjectCodecTester;
+import com.google.devtools.build.lib.skyframe.serialization.testutils.SerializationTester;
 import com.google.devtools.build.lib.testutil.MoreAsserts;
 import com.google.devtools.build.lib.testutil.Scratch;
 import com.google.devtools.build.lib.vfs.FileSystem;
@@ -336,8 +336,7 @@
 
   @Test
   public void testCodec() throws Exception {
-    ObjectCodecTester.newBuilder(Artifact.CODEC)
-        .addSubjects(
+    new SerializationTester(
             new Artifact(PathFragment.create("src/a"), rootDir),
             new Artifact(
                 PathFragment.create("src/b"), ArtifactRoot.asSourceRoot(Root.fromPath(execDir))),
@@ -347,7 +346,7 @@
                 PathFragment.create("src/c"),
                 new LabelArtifactOwner(Label.parseAbsoluteUnchecked("//foo:bar"))))
         .addDependency(FileSystem.class, scratch.getFileSystem())
-        .buildAndRunTests();
+        .runTests();
   }
 
   @Test