Fix classes that create OptionsParser instances to directly use the Builder.

PiperOrigin-RevId: 253800892
diff --git a/src/test/java/com/google/devtools/build/lib/testutil/TestMode.java b/src/test/java/com/google/devtools/build/lib/testutil/TestMode.java
index cca7363..0404474 100644
--- a/src/test/java/com/google/devtools/build/lib/testutil/TestMode.java
+++ b/src/test/java/com/google/devtools/build/lib/testutil/TestMode.java
@@ -31,7 +31,8 @@
 public abstract class TestMode {
   private static StarlarkSemantics parseSkylarkSemantics(String... skylarkOptions)
       throws Exception {
-    OptionsParser parser = OptionsParser.newOptionsParser(StarlarkSemanticsOptions.class);
+    OptionsParser parser =
+        OptionsParser.builder().optionsClasses(StarlarkSemanticsOptions.class).build();
     parser.parse(skylarkOptions);
     return parser.getOptions(StarlarkSemanticsOptions.class).toSkylarkSemantics();
   }