some flake fixes

pkg/domain/infra/abi/system.go

@@ -6,6 +6,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"io/fs"
 	"net/url"
 	"os"
 	"os/exec"
@@ -271,6 +272,12 @@ func (ic *ContainerEngine) SystemDf(ctx context.Context, _ entities.SystemDfOpti
 		}
 		volSize, err := directory.Size(mountPoint)
 		if err != nil {
+			if errors.Is(err, fs.ErrNotExist) {
+				// volume is not locked here, if the directory is missing
+				// all of the sudden we must assume the volume was removed
+				// in parallel and ignore it like in the case below
+				continue
+			}
 			return nil, err
 		}
 		inUse, err := v.VolumeInUse()

pkg/domain/infra/abi/volumes.go

@@ -125,6 +125,12 @@ func (ic *ContainerEngine) VolumeInspect(_ context.Context, namesOrIds []string,
 	for _, v := range vols {
 		inspectOut, err := v.Inspect()
 		if err != nil {
+			if opts.All && errors.Is(err, define.ErrNoSuchVolume) {
+				// Volume must have been removed in the meantime,
+				// because all volumes were requested just ignore
+				// the case to make inspecting all volumes not fail randomly.
+				continue
+			}
 			return nil, nil, err
 		}
 		config := entities.VolumeConfigResponse{

test/system/055-rm.bats

@@ -125,9 +125,9 @@ load helpers
 
 # DO NOT CHANGE "sleep infinity"! This is how we get a container to
 # remain in state "stopping" for long enough to check it.
-# $1 = container name, $2 = optional stop-timeout (default 2)
+# $1 = container name, $2 = optional stop-timeout (default 4)
 function __run_healthcheck_container() {
-    local stop_timeout=${2:-2}
+    local stop_timeout=${2:-4}
     run_podman run -d --name $1 \
                --health-cmd /bin/false \
                --health-interval 1s \