diff --git a/src/main/python/ddadevops/release-mixin/test/test_release_mixin.py b/src/main/python/ddadevops/release-mixin/test/test_release_mixin.py
index 0c6a5f0..eaca9a2 100644
--- a/src/main/python/ddadevops/release-mixin/test/test_release_mixin.py
+++ b/src/main/python/ddadevops/release-mixin/test/test_release_mixin.py
@@ -1,15 +1,17 @@
 import sys
 import os
 import pytest as pt
+from helper import Helper
 from pathlib import Path
 from ddadevops import *
+from pybuilder.core import Project
 
 current = os.path.dirname(os.path.realpath(__file__))
 parent = os.path.dirname(current)
 sys.path.append(parent)
 
-from pybuilder.core import task, init, Project
 from release_mixin import ReleaseMixin, create_release_mixin_config
+from infrastructure_api import GitApi
 
 MAIN_BRANCH = 'main'
 STAGE = 'test'
@@ -17,6 +19,9 @@ PROJECT_ROOT_PATH = '.'
 MODULE = 'test'
 BUILD_DIR_NAME = "build_dir"
 
+def change_test_dir( tmp_path: Path, monkeypatch: pt.MonkeyPatch):
+    monkeypatch.chdir(tmp_path)
+
 class MyBuild(ReleaseMixin):
     pass
 
@@ -30,29 +35,24 @@ def initialize(project, CONFIG_FILE):
     build = MyBuild(project, config)
     return build    
 
-#def test_release_mixin(tmp_path):
-#
-#    #init
-#    with open(f'test/resources/config.json', 'r') as json_file:
-#        contents = json_file.read()
-#
-#    CONFIG_FILE = tmp_path / "config.json"
-#    CONFIG_FILE.write_text(contents)
-#
-#    base_dir = "."
-#    project = Project(base_dir)
-#
-#    # init
-#    build = initialize(project, CONFIG_FILE)    
-#    build.commit_string = "MAJOR bla"
-#    build.init_release()
-#    release_version = build.release_version
-#
-#    # test
-#    assert "124.0.0" in release_version.get_version_string()
-#
-#    # init
-#    bump_version = build.bump_version
-#
-#    # test
-#    assert "124.0.1-SNAPSHOT" in bump_version.get_version_string()
\ No newline at end of file
+def test_release_mixin(tmp_path: Path, monkeypatch: pt.MonkeyPatch):
+
+    # init
+    th = Helper()
+    th.copy_files(th.TEST_FILE_PATH, tmp_path)
+    th.TEST_FILE_PATH = tmp_path / th.TEST_FILE_NAME
+
+    change_test_dir(tmp_path, monkeypatch)    
+    project = Project(tmp_path)
+
+    git_api = GitApi()
+    git_api.init()
+    git_api.add_file(th.TEST_FILE_NAME)
+    git_api.commit("MAJOR release")
+
+    build = initialize(project, th.TEST_FILE_PATH)
+    build.prepare_release()
+    release_version = build.version_repo.get_version()    
+
+    # test
+    assert "124.0.1-SNAPSHOT" in release_version.get_version_string()