Restore the empty line after the license (#6088)

substrate/client/service/test/src/client/db.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use sp_core::offchain::{OffchainStorage, storage::InMemOffchainStorage};
 use std::sync::Arc;
 
@@ -53,4 +54,4 @@ fn in_memory_offchain_storage() {
 	assert!(!storage.compare_and_set(b"B", b"A", Some(b""), b"Y"));
 	assert!(storage.compare_and_set(b"B", b"A", None, b"X"));
 	assert_eq!(storage.get(b"B", b"A"), Some(b"X".to_vec()));
-}
+}

substrate/client/service/test/src/client/mod.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use parity_scale_codec::{Encode, Decode, Joiner};
 use sc_executor::native_executor_instance;
 use sp_state_machine::{StateMachine, OverlayedChanges, ExecutionStrategy, InMemoryBackend};

substrate/client/service/test/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Service integration test utils.
 
 use std::iter;