diff --git a/cli/command/container/completion_test.go b/cli/command/container/completion_test.go
index 25ab31676f..b85aae32d5 100644
--- a/cli/command/container/completion_test.go
+++ b/cli/command/container/completion_test.go
@@ -4,6 +4,7 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/moby/sys/signal"
 	"github.com/spf13/cobra"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
@@ -19,3 +20,17 @@ func TestCompleteLinuxCapabilityNames(t *testing.T) {
 		assert.Check(t, is.Equal(name, strings.ToUpper(name)), "Should be formatted uppercase")
 	}
 }
+
+func TestCompleteRestartPolicies(t *testing.T) {
+	values, directives := completeRestartPolicies(nil, nil, "")
+	assert.Check(t, is.Equal(directives&cobra.ShellCompDirectiveNoFileComp, cobra.ShellCompDirectiveNoFileComp), "Should not perform file completion")
+	expected := restartPolicies
+	assert.Check(t, is.DeepEqual(values, expected))
+}
+
+func TestCompleteSignals(t *testing.T) {
+	values, directives := completeSignals(nil, nil, "")
+	assert.Check(t, is.Equal(directives&cobra.ShellCompDirectiveNoFileComp, cobra.ShellCompDirectiveNoFileComp), "Should not perform file completion")
+	assert.Check(t, len(values) > 1)
+	assert.Check(t, is.Len(values, len(signal.SignalMap)))
+}