internal/postgres: replace LegacyPackage in TestGetLicenses

For golang/go#39629

Change-Id: I716db31922143f59c7ba4bef85723a64089cf85f
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/262757
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/internal/postgres/licenses_test.go b/internal/postgres/licenses_test.go
index 71130d2..15da575 100644
--- a/internal/postgres/licenses_test.go
+++ b/internal/postgres/licenses_test.go
@@ -124,16 +124,16 @@
 func TestGetModuleLicenses(t *testing.T) {
 	modulePath := "test.module"
 	testModule := sample.LegacyModule(modulePath, "v1.2.3", "", "foo", "bar")
-	testModule.LegacyPackages[0].Licenses = []*licenses.Metadata{{Types: []string{"ISC"}, FilePath: "LICENSE"}}
-	testModule.LegacyPackages[1].Licenses = []*licenses.Metadata{{Types: []string{"MIT"}, FilePath: "foo/LICENSE"}}
-	testModule.LegacyPackages[2].Licenses = []*licenses.Metadata{{Types: []string{"GPL2"}, FilePath: "bar/LICENSE.txt"}}
+	testModule.Packages()[0].Licenses = []*licenses.Metadata{{Types: []string{"ISC"}, FilePath: "LICENSE"}}
+	testModule.Packages()[1].Licenses = []*licenses.Metadata{{Types: []string{"MIT"}, FilePath: "foo/LICENSE"}}
+	testModule.Packages()[2].Licenses = []*licenses.Metadata{{Types: []string{"GPL2"}, FilePath: "bar/LICENSE.txt"}}
 
 	defer ResetTestDB(testDB, t)
 	ctx, cancel := context.WithTimeout(context.Background(), testTimeout)
 	defer cancel()
 
 	testModule.Licenses = nil
-	for _, p := range testModule.LegacyPackages {
+	for _, p := range testModule.Packages() {
 		testModule.Licenses = append(testModule.Licenses, &licenses.License{
 			Metadata: p.Licenses[0],
 			Contents: []byte(`Lorem Ipsum`),
@@ -201,7 +201,7 @@
 	m := sample.LegacyModule(sample.ModulePath, "v1.2.3", "")
 	sample.AddLicense(m, sample.NonRedistributableLicense)
 	m.IsRedistributable = false
-	m.LegacyPackages[0].IsRedistributable = false
+	m.Packages()[0].IsRedistributable = false
 	m.Units[0].IsRedistributable = false
 	return m
 }