diff --git a/test/test_extractor.py b/test/test_extractor.py
index 91d25d1993..d73e7c1c22 100644
--- a/test/test_extractor.py
+++ b/test/test_extractor.py
@@ -9,7 +9,13 @@
 import unittest.mock
 from io import BytesIO
 from os import path
-from test.utils import CURL_7_20_0_URL, TMUX_DEB, download_file
+from test.utils import (
+    CURL_7_20_0_URL,
+    GLIB_PKG_URL,
+    TAR_ZST_URL,
+    TMUX_DEB,
+    download_file,
+)
 from typing import List
 from zipfile import ZipFile, ZipInfo
 
@@ -145,6 +151,45 @@ async def test_extract_file_rpm_no_rpm2cipo(self, extension_list: List[str]):
             mock_aio_run_command.assert_not_called()
 
 
+class TestExtractFileZst(TestExtractorBase):
+    """Tests for the zst file extractor"""
+
+    def setup_method(self):
+        download_file(TAR_ZST_URL, path.join(self.tempdir, "test.zst"))
+
+    @pytest.fixture
+    def extension_list(self) -> List[str]:
+        return self.extractor.file_extractors[self.extractor.extract_file_zst]
+
+    @pytest.mark.asyncio
+    async def test_extract_file_zst(self, extension_list: List[str]):
+        """Test the zst file extraction"""
+        async for extracted_path in self.extract_files(
+            [f"test{extension}" for extension in extension_list]
+        ):
+            assert path.isfile(path.join(extracted_path, "usr", "bin", "tar"))
+
+
+class TestExtractFilePkg(TestExtractorBase):
+    """Tests for pkg file extractor"""
+
+    def setup_method(self):
+        assert inpath("tar") or inpath("7z"), "Required tools 'tar' or '7z' not found"
+        download_file(GLIB_PKG_URL, path.join(self.tempdir, "test.pkg"))
+
+    @pytest.fixture
+    def extension_list(self) -> List[str]:
+        return self.extractor.file_extractors[self.extractor.extract_file_pkg]
+
+    @pytest.mark.asyncio
+    async def test_extract_file_pkg(self, extension_list: List[str]):
+        """Test the pkg file extraction"""
+        async for extracted_path in self.extract_files(
+            [f"test{extension}" for extension in extension_list]
+        ):
+            assert path.isfile(path.join(extracted_path, "usr", "local", "bin", "gio"))
+
+
 class TestExtractFileRpmWithZstd(TestExtractorBase):
     """Tests for the rpm file extractor (zstd/windows)"""
 
diff --git a/test/utils.py b/test/utils.py
index 42938ef402..f705ca4966 100644
--- a/test/utils.py
+++ b/test/utils.py
@@ -20,6 +20,12 @@
 )
 TMUX_DEB_NAME = "tmux_1.8-5_amd64.deb"
 TMUX_DEB = "https://mirrors.cat.pdx.edu/ubuntu/pool/main/t/tmux/" + TMUX_DEB_NAME
+TAR_ZST_NAME = "tar-1.34-1-x86_64.pkg.tar.zst"
+TAR_ZST_URL = "https://ftp5.gwdg.de/pub/linux/archlinux/core/os/x86_64/" + TAR_ZST_NAME
+GLIB_PKG_NAME = "glib-2.70.4_3,2.pkg"
+GLIB_PKG_URL = (
+    "https://pkg.freebsd.org/FreeBSD:12:aarch64/quarterly/All/" + GLIB_PKG_NAME
+)
 
 
 class TempDirTest: