Fix psa_aead_decrypt to read the tag at the end of the ciphertext
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 93bb9cc..e36719d 100755
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -637,7 +637,7 @@
         TEST_ASSERT( psa_aead_decrypt( slot, alg,
                                 nonce, nonce_length,
                                 additional_data, additional_data_length,
-                                output_data, output_length - tag_length, output_data2,
+                                output_data, output_length, output_data2,
                                 output_length, &output_length2 ) == expected_result );