EPM: allow duplicate submissions

frame/election-provider-multi-phase/src/lib.rs

@@ -1987,7 +1987,7 @@ mod tests {
 			assert!(MultiPhase::snapshot_metadata().is_none());
 			assert!(MultiPhase::desired_targets().is_none());
 			assert!(MultiPhase::queued_solution().is_none());
-			assert!(MultiPhase::signed_submissions().is_empty());
+			assert!(MultiPhase::signed_submissions().len().is_zero());
 		})
 	}
 
@@ -2023,7 +2023,7 @@ mod tests {
 			assert!(MultiPhase::snapshot_metadata().is_none());
 			assert!(MultiPhase::desired_targets().is_none());
 			assert!(MultiPhase::queued_solution().is_none());
-			assert!(MultiPhase::signed_submissions().is_empty());
+			assert!(MultiPhase::signed_submissions().len().is_zero());
 		})
 	}
 

frame/election-provider-multi-phase/src/mock.rs

@@ -551,6 +551,12 @@ impl ExtBuilder {
 			balances: vec![
 				// bunch of account for submitting stuff only.
 				(99, 100),
+				(100, 100),
+				(101, 100),
+				(102, 100),
+				(103, 100),
+				(104, 100),
+				(105, 100),
 				(999, 100),
 				(9999, 100),
 			],