diff --git a/tests/__init__.py b/tests/__init__.py
index 39ae5e6..f920153 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,2 +1,3 @@
 from . import test_wave_parsing
 
+
diff --git a/tests/test_files_zipped/Pro_Tools_2019_RF64.wav.zip b/tests/test_files/rf64/Pro_Tools_2019_RF64.wav.gz
similarity index 99%
rename from tests/test_files_zipped/Pro_Tools_2019_RF64.wav.zip
rename to tests/test_files/rf64/Pro_Tools_2019_RF64.wav.gz
index 27ea902..2a91734 100644
Binary files a/tests/test_files_zipped/Pro_Tools_2019_RF64.wav.zip and b/tests/test_files/rf64/Pro_Tools_2019_RF64.wav.gz differ
diff --git a/tests/test_files/rf64/Testfile_SEQ_RF64 Big.wav.gz b/tests/test_files/rf64/Testfile_SEQ_RF64 Big.wav.gz
new file mode 100755
index 0000000..817ffe5
Binary files /dev/null and b/tests/test_files/rf64/Testfile_SEQ_RF64 Big.wav.gz differ
diff --git a/tests/test_files_zipped/Testfile_SEQ_RF64.Big.zip b/tests/test_files_zipped/Testfile_SEQ_RF64.Big.zip
deleted file mode 100644
index 8a4eebf..0000000
Binary files a/tests/test_files_zipped/Testfile_SEQ_RF64.Big.zip and /dev/null differ
diff --git a/tests/test_wave_parsing.py b/tests/test_wave_parsing.py
index ddbae38..583a69a 100644
--- a/tests/test_wave_parsing.py
+++ b/tests/test_wave_parsing.py
@@ -1,42 +1,11 @@
 import os.path
 import sys
-import json
-import subprocess
-from subprocess import PIPE
 
 from unittest import TestCase
 
+from .utils import all_files, ffprobe
+
 import wavinfo
-
-FFPROBE='ffprobe'
-
-def ffprobe(path):
-    arguments = [ FFPROBE , "-of", "json" , "-show_format", "-show_streams", path ]
-    if int(sys.version[0]) <  3:
-        process = subprocess.Popen(arguments, stdout=PIPE)
-        process.wait()
-        if process.returncode == 0:
-            output = process.communicate()[0]
-            if output:
-                output_str = output.decode('utf-8')
-                return json.loads(output_str)
-        else:
-            return None
-    else: 
-        process = subprocess.run(arguments, stdin=None, stdout=PIPE, stderr=PIPE)
-        if process.returncode == 0:
-            output_str = process.stdout.decode('utf-8')
-            return json.loads(output_str)
-        else:
-            return None
-
-        
-def all_files():
-    for dirpath, _, filenames in os.walk('tests/test_files'):
-        for filename in filenames:
-            _, ext = os.path.splitext(filename)
-            if ext in ['.wav','.WAV']:
-                yield os.path.join(dirpath, filename)
         
 class TestWaveInfo(TestCase):
     def test_sanity(self):
diff --git a/tests/utils.py b/tests/utils.py
new file mode 100644
index 0000000..bc330f2
--- /dev/null
+++ b/tests/utils.py
@@ -0,0 +1,39 @@
+import os.path
+import sys
+import subprocess
+from subprocess import PIPE
+import json
+
+FFPROBE='ffprobe'
+
+def ffprobe(path):
+    arguments = [ FFPROBE , "-of", "json" , "-show_format", "-show_streams", path ]
+    if int(sys.version[0]) <  3:
+        process = subprocess.Popen(arguments, stdout=PIPE)
+        process.wait()
+        if process.returncode == 0:
+            output = process.communicate()[0]
+            if output:
+                output_str = output.decode('utf-8')
+                return json.loads(output_str)
+        else:
+            return None
+    else: 
+        process = subprocess.run(arguments, stdin=None, stdout=PIPE, stderr=PIPE)
+        if process.returncode == 0:
+            output_str = process.stdout.decode('utf-8')
+            return json.loads(output_str)
+        else:
+            return None
+
+
+        
+def all_files():
+    for dirpath, _, filenames in os.walk('tests/test_files'):
+        for filename in filenames:
+            _, ext = os.path.splitext(filename)
+            if ext in ['.wav','.WAV']:
+                yield os.path.join(dirpath, filename)
+
+
+