added test and build command

README.md

@@ -172,6 +172,8 @@ of every ETL data set entry.
 However this package should be easily extendable to add support for accessing the other data.
 ## Development notes
 For development *python 3.9* was used. <br/>
+
+### documentation
 The documentation was made with Sphinx and m2r.
 m2r is being used to automatically convert this README.md to .rst.
 This happens when the ```sphinx-build```-command is invoked in the 'docs'-folder. <br>
@@ -180,11 +182,27 @@ Build the docs (should be run in docs folder): <br>
 sphinx-build source build
 ```
 
+### packages
 A list of all packages needed for development can be found in 'requirements.txt'.
 
+### testing
 Some [simple test cases](./tests/test_etldr.py) are defined in the tests folder.
+Testing was only performed on Windows 10.<br>
+All tests can be executed with:
+```
+python tests\test_etldr.py
+```
+Specific tests can be run with:
+```
+python tests\test_etldr.py etldr.test_read_dataset_part_parallel
+```
+Those commands should be executed on the top level of this package.
 
-Testing was only performed on Windows 10.
+### building the wheel
+The wheel can be build with:
+```
+python setup.py sdist bdist_wheel
+```
 
 
 ## Additional Notes