[process] Fix Test_Children test regression because of some other running test

process/process_test.go

@@ -2,10 +2,12 @@ package process
 
 import (
 	"fmt"
+	"io/ioutil"
 	"net"
 	"os"
 	"os/exec"
 	"os/user"
+	"path/filepath"
 	"reflect"
 	"runtime"
 	"strconv"
@@ -13,8 +15,6 @@ import (
 	"sync"
 	"testing"
 	"time"
-	"path/filepath"
-	"io/ioutil"
 
 	"github.com/shirou/gopsutil/internal/common"
 	"github.com/stretchr/testify/assert"
@@ -303,7 +303,7 @@ func Test_Process_Long_Name(t *testing.T) {
 		t.Fatalf("unable to create temp file %v", err)
 	}
 
-	tmpfilecontent := []byte("package main\nimport(\n\"time\"\n)\nfunc main(){\ntime.Sleep(time.Second)\n}")
+	tmpfilecontent := []byte("package main\nimport(\n\"time\"\n)\nfunc main(){\nfor range time.Tick(time.Second) {}\n}")
 	if _, err := tmpfile.Write(tmpfilecontent); err != nil {
 		tmpfile.Close()
 		t.Fatalf("unable to write temp file %v", err)
@@ -312,7 +312,7 @@ func Test_Process_Long_Name(t *testing.T) {
 		t.Fatalf("unable to close temp file %v", err)
 	}
 
-	err = exec.Command("go", "build", "-o", tmpfile.Name() + ".exe", tmpfile.Name()).Run()
+	err = exec.Command("go", "build", "-o", tmpfile.Name()+".exe", tmpfile.Name()).Run()
 	if err != nil {
 		t.Fatalf("unable to build temp file %v", err)
 	}
@@ -324,7 +324,7 @@ func Test_Process_Long_Name(t *testing.T) {
 	p, err := NewProcess(int32(cmd.Process.Pid))
 	skipIfNotImplementedErr(t, err)
 	assert.Nil(t, err)
-	
+
 	n, err := p.Name()
 	skipIfNotImplementedErr(t, err)
 	if err != nil {
@@ -334,7 +334,7 @@ func Test_Process_Long_Name(t *testing.T) {
 	if basename != n {
 		t.Fatalf("%s != %s", basename, n)
 	}
-	cmd.Wait()
+	cmd.Process.Kill()
 }
 func Test_Process_Exe(t *testing.T) {
 	p := testGetProcess()
@@ -503,7 +503,14 @@ func Test_Children(t *testing.T) {
 	if len(c) == 0 {
 		t.Fatalf("children is empty")
 	}
-	if c[0].Pid != int32(cmd.Process.Pid) {
+	found := false
+	for _, child := range c {
+		if child.Pid == int32(cmd.Process.Pid) {
+			found = true
+			break
+		}
+	}
+	if !found {
 		t.Errorf("could not find child %d", cmd.Process.Pid)
 	}
 }