Use tmpfs containers for api/api4 tests, move and speed up CLI tests (#7606)

* use tmpfs containers for api/api4, move and speed up cli tests

* minor optimizations

* add missing files, fix pre-existing race condition

* add . to TestMain check

* add requested log message

app/options.go

@@ -12,7 +12,7 @@ type Option func(a *App)
 // By default, the app will use the store specified by the configuration. This allows you to
 // construct an app with a different store.
 //
-// The storeOrFactory parameter must be either a store.Store or func() store.Store.
+// The storeOrFactory parameter must be either a store.Store or func(App) store.Store.
 func StoreOverride(storeOrFactory interface{}) Option {
 	return func(a *App) {
 		switch s := storeOrFactory.(type) {
@@ -20,8 +20,10 @@ func StoreOverride(storeOrFactory interface{}) Option {
 			a.newStore = func() store.Store {
 				return s
 			}
-		case func() store.Store:
-			a.newStore = s
+		case func(*App) store.Store:
+			a.newStore = func() store.Store {
+				return s(a)
+			}
 		default:
 			panic("invalid StoreOverride")
 		}