Make the test data source archive mostly-reproducible

This should keep us from having to upload a fresh archive to the
lookaside cache for a new version when the data hasn’t actually
changed.

python-pymapvbvd.spec

@@ -10,7 +10,7 @@ License:        MIT AND Unlicense
 URL:            https://github.com/wtclarke/pymapvbvd
 Source0:        %{pypi_source pyMapVBVD}
 # Generated with Source2: ./get_test_data.sh %%{version}
-Source1:        pyMapVBVD-%{version}-test-data.tar.xz
+Source1:        pyMapVBVD-test-data.tar.xz
 Source2:        get_test_data.sh
 
 BuildArch:      noarch
@@ -50,7 +50,7 @@ Summary:        %{summary}
 
 %prep
 %autosetup -n pyMapVBVD-%{version} -p1
-%setup -q -T -D -b 1 -n pyMapVBVD-%{version}
+%setup -q -T -D -a 1 -c -n pyMapVBVD-%{version}
 
 
 %generate_buildrequires