fix: fix test leaking file

Author: sreya

integration/docker_test.go

@@ -425,6 +425,9 @@ func TestDocker(t *testing.T) {
 			HostKeyPath:  regKeyPath,
 			Image:        integrationtest.UbuntuImage,
 			TLSPort:      strconv.Itoa(registryAddr.Port),
+			PasswordDir:  dir,
+			Username:     "user",
+			Password:     "password",
 		})
 
 		envs := []string{

integration/integrationtest/os.go

@@ -14,7 +14,7 @@ func TmpDir(t *testing.T) string {
 	// We use os.MkdirTemp as oposed to t.TempDir since the envbox container will
 	// chown some of the created directories here to root:root causing the cleanup
 	// function to fail once the test exits.
-	tmpdir, err := os.MkdirTemp(os.TempDir(), strings.ReplaceAll(t.Name(), "/", "_"))
+	tmpdir, err := os.MkdirTemp("", strings.ReplaceAll(t.Name(), "/", "_"))
 	require.NoError(t, err)
 	t.Logf("using tmpdir %s", tmpdir)
 	t.Cleanup(func() {