reflect: Use TypeFor instead of TypeOf

Added in Go 1.22

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

daemon/config/config_test.go

@@ -468,7 +468,7 @@ type overwriteTransformer struct {
 }
 
 func (tf overwriteTransformer) Transformer(typ reflect.Type) func(dst, src reflect.Value) error {
-	if typ == reflect.TypeOf(CommonConfig{}) {
+	if typ == reflect.TypeFor[CommonConfig]() {
 		return func(dst, src reflect.Value) error {
 			dst.FieldByName(tf.fieldName).Set(src.FieldByName(tf.fieldName))
 			return nil
@@ -702,7 +702,7 @@ func TestConfigInvalidDNS(t *testing.T) {
 }
 
 func field(field string) cmp.Option {
-	tmp := reflect.TypeOf(Config{})
+	tmp := reflect.TypeFor[Config]()
 	ignoreFields := make([]string, 0, tmp.NumField())
 	for i := 0; i < tmp.NumField(); i++ {
 		if tmp.Field(i).Name != field {

internal/test/suite/suite.go

@@ -16,7 +16,7 @@ import (
 // TimeoutFlag is the flag to set a per-test timeout when running tests. Defaults to `-timeout`.
 var TimeoutFlag = flag.Duration("timeout", 0, "DO NOT USE")
 
-var typTestingT = reflect.TypeOf(new(testing.T))
+var typTestingT = reflect.TypeFor[*testing.T]()
 
 // Run takes a testing suite and runs all of the tests attached to it.
 func Run(ctx context.Context, t *testing.T, suite any) {