✅ Add testable examples

ezcache_test.go

@@ -1,3 +1,4 @@
+//nolint:perfsprint // Not that concerned about microoptimizations for test code
 package ezcache_test
 
 import (
@@ -69,7 +70,7 @@ func TestGetExpire(t *testing.T) {
 	assert.True(t, hit)
 
 	hit = false
-	time.Sleep(2)
+	time.Sleep(2 * time.Nanosecond)
 	val, err = cache.Get(4)
 	assert.NoError(t, err)
 	assert.Equal(t, "4", val)
@@ -77,6 +78,7 @@ func TestGetExpire(t *testing.T) {
 }
 
 func TestGetError(t *testing.T) {
+	//nolint:err113 // It's just a test for an error.
 	cache, _ := ezcache.New(func(k uint8) (byte, error) { return 0, fmt.Errorf("Nope for %d", k) }, 1)
 
 	_, err := cache.Get(4)