add test dependencies

Author: FynnBe

setup.py

@@ -28,7 +28,7 @@
     install_requires=["bioimageio.spec", "imageio>=2.5", "numpy", "ruamel.yaml", "tqdm", "xarray"],
     include_package_data=True,
     extras_require={
-        "test": ["pytest"],
+        "test": ["pytest", "black", "mypy"],
         "dev": ["pre-commit"],
         "pytorch": ["pytorch>=1.6", "torchvision", "cudatoolkit>=10.1"],
         "tensorflow": ["tensorflow"],