chore: fix test failure (#3883)

core/stat/internal/cgroup_linux_test.go

@@ -12,19 +12,21 @@ func TestRunningInUserNS(t *testing.T) {
 	assert.False(t, runningInUserNS())
 }
 
-func TestCgroupV1(t *testing.T) {
-	if isCgroup2UnifiedMode() {
+func TestCgroups(t *testing.T) {
+	// test cgroup legacy(v1) & hybrid
+	if !isCgroup2UnifiedMode() {
 		cg, err := currentCgroupV1()
 		assert.NoError(t, err)
 		_, err = cg.effectiveCpus()
-		assert.Error(t, err)
+		assert.NoError(t, err)
 		_, err = cg.cpuQuota()
-		assert.Error(t, err)
+		assert.NoError(t, err)
 		_, err = cg.cpuUsage()
-		assert.Error(t, err)
+		assert.NoError(t, err)
 	}
 
 	// test cgroup v2
+	if isCgroup2UnifiedMode() {
 		cg, err := currentCgroupV2()
 		assert.NoError(t, err)
 		_, err = cg.effectiveCpus()
@@ -33,6 +35,7 @@ func TestCgroupV1(t *testing.T) {
 		assert.Error(t, err)
 		_, err = cg.cpuUsage()
 		assert.NoError(t, err)
+	}
 }
 
 func TestParseUint(t *testing.T) {