fix failing test

store_test.go

@@ -101,10 +101,12 @@ func TestStore_Claim(t *testing.T) {
 				t.Errorf("Store.Claim() error = %v, wantErr %v", err, tt.wantErr)
 			}
 
-			ae, err := store.LastOf(context.TODO(), EventClaim)
-			require.NoError(t, err)
-			assert.Greater(t, ae.Id, lastAudit)
-			lastAudit = ae.Id
+			if !tt.wantErr {
+				ae, err := store.LastOf(context.TODO(), EventClaim)
+				require.NoError(t, err)
+				assert.Greater(t, ae.Id, lastAudit)
+				lastAudit = ae.Id
+			}
 		})
 	}
 }