Add previously forgotten test

tests/test_blurhash.py

@@ -0,0 +1,21 @@
+import pytest
+
+def test_blurhash_decode(api):
+    fake_media_dict = {
+        'width': 320,
+        'height': 240,
+        'blurhash': '=~NdOWof1PbIPUXSvgbI$f'
+    }
+    decoded_image = api.decode_blurhash(fake_media_dict)
+    assert len(decoded_image) == 9 * 16
+    assert len(decoded_image[0]) == 16
+    
+    decoded_image_2 = api.decode_blurhash(
+        fake_media_dict, 
+        out_size = (fake_media_dict["width"], fake_media_dict["height"]),
+        size_per_component = False,
+        return_linear = False
+    )
+    assert len(decoded_image_2) == 240
+    assert len(decoded_image_2[0]) == 320
+