store: UT tmp path should be random

Otherwise we might end up using the previously created store instead.

Signed-off-by: Peng Tao <bergwolf@hyper.sh>

virtcontainers/store/filesystem_backend_test.go

@@ -20,7 +20,11 @@ type TestNoopStructure struct {
 	Field2 string
 }
 
-var rootPath = "/tmp/root1/"
+var rootPath = func() string {
+	dir, _ := ioutil.TempDir("", "")
+	return dir
+}()
+
 var expectedFilesystemData = "{\"Field1\":\"value1\",\"Field2\":\"value2\"}"
 
 func TestStoreFilesystemStore(t *testing.T) {

virtcontainers/store/manager_test.go

@@ -23,14 +23,17 @@ var sandboxDirState = ""
 var sandboxDirLock = ""
 var sandboxFileState = ""
 var sandboxFileLock = ""
-var storeRoot = "file:///tmp/root1/"
+var storeRoot, storeRootDir = func() (string, string) {
+	dir, _ := ioutil.TempDir("", "")
+	return "file://" + dir, dir
+}()
 
 func TestNewStore(t *testing.T) {
 	s, err := New(context.Background(), storeRoot)
 	assert.Nil(t, err)
 	assert.Equal(t, s.scheme, "file")
 	assert.Equal(t, s.host, "")
-	assert.Equal(t, s.path, "/tmp/root1/")
+	assert.Equal(t, s.path, storeRootDir)
 }
 
 func TestDeleteStore(t *testing.T) {