Remove unnecessary conversion (#139)

- Remove unnecessary type conversion.
- Enforce via CI

Co-authored-by: Gusted <williamzijl7@hotmail.com>
Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/139
Reviewed-by: 6543 <6543@obermui.de>
Co-authored-by: Gusted <gusted@noreply.codeberg.org>
Co-committed-by: Gusted <gusted@noreply.codeberg.org>

integration/get_test.go

@@ -124,7 +124,7 @@ func TestLFSSupport(t *testing.T) {
 
 func TestGetOptions(t *testing.T) {
 	log.Println("=== TestGetOptions ===")
-	req, _ := http.NewRequest(http.MethodOptions, "https://mock-pages.codeberg-test.org:4430/README.md", nil)
+	req, _ := http.NewRequest(http.MethodOptions, "https://mock-pages.codeberg-test.org:4430/README.md", http.NoBody)
 	resp, err := getTestHTTPSClient().Do(req)
 	assert.NoError(t, err)
 	if !assert.NotNil(t, resp) {

integration/main_test.go

@@ -28,7 +28,7 @@ func TestMain(m *testing.M) {
 
 	time.Sleep(10 * time.Second)
 
-	os.Exit(m.Run())
+	m.Run()
 }
 
 func startServer(ctx context.Context) error {