rename volume_size_accuracy to test_volume_size_accuracy to fit pattern of unittests

diff --git a/runtests.py b/runtests.py
index eb2c7a4..263d28b 100755 (executable)
--- a/runtests.py
+++ b/runtests.py
@@ -92,6 +92,7 @@ from testing.test_deltatar import (DeltaTarTest, DeltaTar2Test,
 
     )
 from testing.test_compression_level import suite
+from testing.test_volume_size_accuracy import VolumeSizeAccuracyTest
 
 if __name__ == "__main__":
     import sys

diff --git a/testing/volume_size_accuracy.py b/testing/test_volume_size_accuracy.py
similarity index 100%
rename from testing/volume_size_accuracy.py
rename to testing/test_volume_size_accuracy.py