Move around the skip logic
diff --git a/tests/primitives/utils.py b/tests/primitives/utils.py
index addd712..e4cb8da 100644
--- a/tests/primitives/utils.py
+++ b/tests/primitives/utils.py
@@ -8,19 +8,28 @@
 
 
 def generate_encrypt_test(param_loader, path, file_names, cipher_factory,
-                          mode_factory, only_if=lambda api: True):
+                          mode_factory, only_if=lambda api: True,
+                          skip_message=None):
     def test_encryption(self):
         for api in _ALL_APIS:
-            if not only_if(api):
-                yield encrypt_skipped
-            else:
-                for file_name in file_names:
-                    for params in param_loader(os.path.join(path, file_name)):
-                        yield encrypt_test, api, cipher_factory, mode_factory, params
+            for file_name in file_names:
+                for params in param_loader(os.path.join(path, file_name)):
+                    yield (
+                        encrypt_test,
+                        api,
+                        cipher_factory,
+                        mode_factory,
+                        params,
+                        only_if,
+                        skip_message
+                    )
     return test_encryption
 
 
-def encrypt_test(api, cipher_factory, mode_factory, params):
+def encrypt_test(api, cipher_factory, mode_factory, params, only_if,
+                 skip_message):
+    if not only_if(api):
+        pytest.skip(skip_message)
     plaintext = params.pop("plaintext")
     ciphertext = params.pop("ciphertext")
     cipher = BlockCipher(
@@ -31,7 +40,3 @@
     actual_ciphertext = cipher.encrypt(binascii.unhexlify(plaintext))
     actual_ciphertext += cipher.finalize()
     assert binascii.hexlify(actual_ciphertext) == ciphertext
-
-
-def encrypt_skipped():
-    pytest.skip("because reasons")