Newlines at end of file + trim trailing whitespace

Signed-off-by: Aditya Deshpande <aditya.deshpande@arm.com>
diff --git a/tests/include/test/drivers/key_agreement.h b/tests/include/test/drivers/key_agreement.h
index 57de81a..b04bc59 100644
--- a/tests/include/test/drivers/key_agreement.h
+++ b/tests/include/test/drivers/key_agreement.h
@@ -68,4 +68,4 @@
     size_t *shared_secret_length );
 
 #endif /*PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_TEST_DRIVERS_KEY_AGREEMENT_H */
\ No newline at end of file
+#endif /* PSA_CRYPTO_TEST_DRIVERS_KEY_AGREEMENT_H */
diff --git a/tests/src/drivers/test_driver_key_agreement.c b/tests/src/drivers/test_driver_key_agreement.c
index 40681c3..884899f 100644
--- a/tests/src/drivers/test_driver_key_agreement.c
+++ b/tests/src/drivers/test_driver_key_agreement.c
@@ -58,7 +58,7 @@
         return( PSA_SUCCESS );
     }
 
-    return( psa_key_agreement_raw_builtin( 
+    return( psa_key_agreement_raw_builtin(
                 attributes,
                 key_buffer,
                 key_buffer_size,
@@ -70,4 +70,4 @@
                 shared_secret_length ) );
 }
 
-#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS && PSA_CRYPTO_DRIVER_TEST */
\ No newline at end of file
+#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS && PSA_CRYPTO_DRIVER_TEST */