always get test data from v2.0

we have been providing the same test data for the last couple of releases
so no need to spend time uploading test data with each release for the forseeable future
rather download from v2.0

lib/tests/download_data.py

@@ -54,6 +54,10 @@ def main():
 
     chdir(pjoin(LIBDIR, 'tests'))
     if not isfile(test_data):
+        # we have been providing the same test data for the last couple of releases
+        # so no need to spend time uploading test data with each release for the forseeable future
+        # rather download from v2.0
+        __version__=2.0
         check_call(['wget', f'https://github.com/pnlbwh/Harmonization-Python/releases/download/v{__version__}/{test_data}'])
     check_call(' '.join(['tar', '-xzvf', f'{test_data}']), shell=True)
 

lib/tests/pipeline_test.sh

@@ -39,6 +39,10 @@ __version__=`echo $v | xargs`
 test_data=connectom_prisma # change this value if test data name is changed
 if [ ! -f ${test_data}.zip ]
 then
+    # we have been providing the same test data for the last couple of releases
+    # so no need to spend time uploading test data with each release for the forseeable future
+    # rather download from v2.0
+    __version__=2.0
     wget https://github.com/pnlbwh/dMRIharmonization/releases/download/v${__version__}/${test_data}.zip
 fi