TST: fix CI failures in Matlab test generation files

For some reason `pytest` has decided to start running these script,
which is clearly going to fail when Matlab is not installed. Hence,
move them out of the source tree to avoid that.

Author: rgommers

pywt/tests/data/README.md

@@ -0,0 +1,3 @@
+The .npz files with Matlab reference data are generated by the
+`generate_matlab*.py` scripts in the `util/` top-level directory
+in this repository.

pywt/tests/data/generate_matlab_data.py util/generate_matlab_data.pypywt/tests/data/generate_matlab_data.py renamed to util/generate_matlab_data.py

@@ -1,6 +1,7 @@
 """ This script was used to generate dwt_matlabR2012a_result.npz by storing
 the outputs from Matlab R2012a. """
 
+import os.path
 
 import numpy as np
 
@@ -91,4 +92,5 @@
 finally:
     mlab.stop()
 
-np.savez('dwt_matlabR2012a_result.npz', **all_matlab_results)
+np.savez(os.path.join('..', 'pywt', 'tests', 'data',
+                      'dwt_matlabR2012a_result.npz'), **all_matlab_results)

…t/tests/data/generate_matlab_data_cwt.py util/generate_matlab_data_cwt.pypywt/tests/data/generate_matlab_data_cwt.py renamed to util/generate_matlab_data_cwt.py pywt/tests/data/generate_matlab_data_cwt.py renamed to util/generate_matlab_data_cwt.py

@@ -1,6 +1,7 @@
 """ This script was used to generate dwt_matlabR2012a_result.npz by storing
 the outputs from Matlab R2012a. """
 
+import os
 
 import numpy as np
 
@@ -83,4 +84,5 @@
 finally:
     mlab.stop()
 
-np.savez('cwt_matlabR2015b_result.npz', **all_matlab_results)
+np.savez(os.path.join('..', 'pywt', 'tests', 'data',
+                      'cwt_matlabR2015b_result.npz'), **all_matlab_results)