enable parallel execution for cache tests

vfs/cache/cache_test.go

@@ -15,6 +15,8 @@ func testMemory() vfs.VFS {
 }
 
 func TestNew(t *testing.T) {
+	t.Parallel()
+
 	fast := testMemory()
 	slow := testMemory()
 
@@ -25,6 +27,8 @@ func TestNew(t *testing.T) {
 }
 
 func TestNewPanics(t *testing.T) {
+	t.Parallel()
+
 	defer func() {
 		if r := recover(); r == nil {
 			t.Fatal("expected panic but did not get one")
@@ -35,6 +39,8 @@ func TestNewPanics(t *testing.T) {
 }
 
 func TestSetAndGet(t *testing.T) {
+	t.Parallel()
+
 	fast := testMemory()
 	slow := testMemory()
 	cache := New(fast, slow, nil)
@@ -57,6 +63,8 @@ func TestSetAndGet(t *testing.T) {
 }
 
 func TestSetAndGetNoFast(t *testing.T) {
+	t.Parallel()
+
 	slow := testMemory()
 	cache := New(nil, slow, nil)
 
@@ -77,6 +85,8 @@ func TestSetAndGetNoFast(t *testing.T) {
 	}
 }
 func TestCaching(t *testing.T) {
+	t.Parallel()
+
 	fast := testMemory()
 	slow := testMemory()
 	cache := New(fast, slow, func(fi *vfs.FileInfo, cs cachestate.CacheState) bool {
@@ -134,6 +144,8 @@ func TestCaching(t *testing.T) {
 }
 
 func TestGetNotFound(t *testing.T) {
+	t.Parallel()
+
 	fast := testMemory()
 	slow := testMemory()
 	cache := New(fast, slow, nil)
@@ -145,6 +157,8 @@ func TestGetNotFound(t *testing.T) {
 }
 
 func TestDelete(t *testing.T) {
+	t.Parallel()
+
 	fast := testMemory()
 	slow := testMemory()
 	cache := New(fast, slow, nil)
@@ -167,6 +181,8 @@ func TestDelete(t *testing.T) {
 }
 
 func TestStat(t *testing.T) {
+	t.Parallel()
+
 	fast := testMemory()
 	slow := testMemory()
 	cache := New(fast, slow, nil)