test_record: test writing FLAC output files.

Author: Benjamin Moody

tests/test_record.py

@@ -250,6 +250,11 @@ def test_read_flac(self):
                         f"Mismatch in {name}",
                     )
 
+        # Test file writing
+        record.wrsamp()
+        record_write = wfdb.rdrecord("flacformats", physical=False)
+        assert record == record_write
+
     def test_read_flac_longduration(self):
         """
         Three signals multiplexed in a FLAC file, over 2**24 samples.
@@ -628,6 +633,10 @@ def tearDownClass(cls):
             "100_3chan.hea",
             "a103l.hea",
             "a103l.mat",
+            "flacformats.d0",
+            "flacformats.d1",
+            "flacformats.d2",
+            "flacformats.hea",
             "s0010_re.dat",
             "s0010_re.hea",
             "s0010_re.xyz",