Miscellaneous app cleanup (#7594)

* app cleanup

* whoops, forgot a file

* some minor cleanup

* longer container deadline

* defensive checks

store/sqlstore/store_test.go

@@ -85,8 +85,12 @@ func tearDownStores() {
 		for _, st := range storeTypes {
 			st := st
 			go func() {
-				st.Store.Close()
-				st.Container.Stop()
+				if st.Store != nil {
+					st.Store.Close()
+				}
+				if st.Container != nil {
+					st.Container.Stop()
+				}
 				wg.Done()
 			}()
 		}

store/sqlstore/upgrade.go

@@ -312,8 +312,8 @@ func UpgradeDatabaseToVersion43(sqlStore SqlStore) {
 }
 
 func UpgradeDatabaseToVersion44(sqlStore SqlStore) {
-	if shouldPerformUpgrade(sqlStore, VERSION_4_3_0, VERSION_4_4_0) {
-		// TODO: Uncomment following when version 4.4.0 is released
-		//saveSchemaVersion(sqlStore, VERSION_4_4_0)
-	}
+	// TODO: Uncomment following when version 4.4.0 is released
+	//if shouldPerformUpgrade(sqlStore, VERSION_4_3_0, VERSION_4_4_0) {
+	//	saveSchemaVersion(sqlStore, VERSION_4_4_0)
+	//}
 }