tests: take into account Debian Python paths

Signed-off-by: Filipe Laíns <lains@riseup.net>

test cases/python/1 basic/meson.build

@@ -9,14 +9,14 @@ if py_version.version_compare('< 3.2')
 endif
 
 py_purelib = py.get_path('purelib')
-if not py_purelib.endswith('site-packages')
+if not (py_purelib.endswith('site-packages') or py_purelib.endswith('dist-packages'))
   error('Python3 purelib path seems invalid? ' + py_purelib)
 endif
 message('Python purelib path:', py_purelib)
 
 # could be 'lib64' or 'Lib' on some systems
 py_platlib = py.get_path('platlib')
-if not py_platlib.endswith('site-packages')
+if not (py_platlib.endswith('site-packages') or py_platlib.endswith('dist-packages'))
   error('Python3 platlib path seems invalid? ' + py_platlib)
 endif
 

test cases/python3/1 basic/meson.build

@@ -9,13 +9,13 @@ if py3_version.version_compare('< 3.2')
 endif
 
 py3_purelib = py3_mod.sysconfig_path('purelib')
-if not py3_purelib.to_lower().startswith('lib') or not py3_purelib.endswith('site-packages')
+if not py3_purelib.to_lower().startswith('lib') or not (py3_purelib.endswith('site-packages') or py3_purelib.endswith('dist-packages'))
   error('Python3 purelib path seems invalid?')
 endif
 
 # could be 'lib64' or 'Lib' on some systems
 py3_platlib = py3_mod.sysconfig_path('platlib')
-if not py3_platlib.to_lower().startswith('lib') or not py3_platlib.endswith('site-packages')
+if not py3_platlib.to_lower().startswith('lib') or not (py3_platlib.endswith('site-packages') or py3_platlib.endswith('dist-packages'))
   error('Python3 platlib path seems invalid?')
 endif