Clean up tests from runtime.block_on() and moving around Runtime …

…and `Handle` (paritytech#12941)

client/beefy/src/aux_schema.rs

@@ -77,18 +77,16 @@ pub(crate) mod tests {
 	use super::*;
 	use crate::tests::BeefyTestNet;
 	use sc_network_test::TestNetFactory;
-	use tokio::runtime::Runtime;
 
 	// also used in tests.rs
 	pub fn verify_persisted_version<B: BlockT, BE: Backend<B>>(backend: &BE) -> bool {
 		let version: u32 = load_decode(backend, VERSION_KEY).unwrap().unwrap();
 		version == CURRENT_VERSION
 	}
 
-	#[test]
-	fn should_load_persistent_sanity_checks() {
-		let runtime = Runtime::new().unwrap();
-		let mut net = BeefyTestNet::new(runtime.handle().clone(), 1);
+	#[tokio::test]
+	async fn should_load_persistent_sanity_checks() {
+		let mut net = BeefyTestNet::new(1);
 		let backend = net.peer(0).client().as_backend();
 
 		// version not available in db -> None