chore: test fix

test/test_asset.rb

@@ -4,33 +4,40 @@ class TestAsset < Minitest::Test
   def setup
     @jpg_path = File.expand_path("../fixtures/cockapoo.jpg", __FILE__)
     @heic_path = File.expand_path("../fixtures/mammoth.heic", __FILE__)
+    @gif_path = File.expand_path("../fixtures/frog.gif", __FILE__)
     @jpg_asset = Fotos::Asset.new(@jpg_path)
     @heic_asset = Fotos::Asset.new(@heic_path)
+    @gif_asset = Fotos::Asset.new(@gif_path)
   end
 
   def test_initializes_with_file_path
     assert_equal @jpg_path, @jpg_asset.file_path
     assert_equal @heic_path, @heic_asset.file_path
+    assert_equal @gif_path, @gif_asset.file_path
   end
 
   def test_dirname_returns_parent_directory_name
     assert_equal "fixtures", @jpg_asset.dirname
     assert_equal "fixtures", @heic_asset.dirname
+    assert_equal "fixtures", @gif_asset.dirname
   end
 
   def test_file_name_returns_basename
     assert_equal "cockapoo.jpg", @jpg_asset.file_name
     assert_equal "mammoth.heic", @heic_asset.file_name
+    assert_equal "frog.gif", @gif_asset.file_name
   end
 
   def test_ext_name_returns_file_extension
     assert_equal ".jpg", @jpg_asset.ext_name
     assert_equal ".heic", @heic_asset.ext_name
+    assert_equal ".gif", @gif_asset.ext_name
   end
 
   def test_supported_returns_true_for_jpeg_jpg
     assert @jpg_asset.supported?
-    refute @heic_asset.supported?
+    assert @heic_asset.supported?
+    refute @gif_asset.supported?
   end
 
   def test_thumbnail_name_adds_prefix