message: Fix enum transformer test
  Summary:
  Only for the instrumental test.
  Some enum classes from support library may be optimized so that the number of generated static fields may be greater than 4.
diff: @@ -75,7 +75,7 @@ TEST_F(PreVerify, transform) {
  TEST_F(PostVerify, transform) {
  EnumUtil util;
  - // SCORE class
  + // SCORE class is optimized.
  auto enum_cls = find_class_named(classes, util.enum_score_class_name);
  ASSERT_NE(enum_cls, nullptr);
  EXPECT_EQ(enum_cls->get_super_class(), get_object_type());
  @@ -84,7 +84,11 @@ TEST_F(PostVerify, transform) {
  // EnumUtil
  auto util_cls = find_class_named(classes, "Lredex/$EnumUtils;");
  EXPECT_NE(util_cls, nullptr);
  - EXPECT_EQ(util_cls->get_sfields().size(), 5);
  + // SCORE and PURE_SCORE are optimized, number of generated static fields
  + // should be at least 4. Note that some enum classes from support library may
  + // be optimized so that the number of generated static fields may be greater
  + // than 4.
  + EXPECT_GE(util_cls->get_sfields().size(), 4);
  // A SCORE[][] field => An Integer[][] field.
  EXPECT_EQ(DexField::get_field(DexType::get_type(util.class_name),
  DexString::make_string(util.array_name),
  @@ -96,10 +100,10 @@ TEST_F(PostVerify, transform) {
  make_array_type(get_integer_type(), 2));
  EXPECT_NE(array_field, nullptr);
  - // PURE_SCORE enum class is deleted.
  + // PURE_SCORE enum class is optimized and deleted.
  EXPECT_EQ(find_class_named(classes, util.enum_pure_score_class_name),
  nullptr);
  - // Other enums
  + // Other enums are not optimized.
  expect_other_enums(classes);
  }
  