chore: remove standalone test file

gin_test_issue_4818.go

@@ -1,37 +0,0 @@
-package gin
-
-import (
-	"net/http"
-	"net/http/httptest"
-	"testing"
-)
-
-func TestHandleMethodNotAllowedSkippedNodesPanic(t *testing.T) {
-	SetMode(ReleaseMode)
-	router := New()
-	router.HandleMethodNotAllowed = true
-
-	h := func(_ *Context) {}
-	router.OPTIONS("/:p0/:p1/a/:p2", h)
-	router.GET("/:p0/:p1/a/:p2", h)
-	router.PATCH("/b/:p0/:p1/c", h)
-	router.DELETE("/b/:p0/:p1/d/:p3", h)
-	router.GET("/b/:p0/:p1/e/f", h)
-	router.POST("/b/:p0/:p1/g/:p4/h", h)
-	router.OPTIONS("/b/:p0/:p1/g/:p4/h", h)
-	router.DELETE("/b/cache", h)
-	router.GET("/b/clients/:p1/g", h)
-	router.POST("/b/clients/:p1/g", h)
-	router.PATCH("/b/clients/:p1/g/:p4", h)
-	router.OPTIONS("/b/clients/:p1/g/:p4", h)
-
-	req := httptest.NewRequest(http.MethodPost, "/b/clients/42", nil)
-	w := httptest.NewRecorder()
-
-	// This should return 405 Method Not Allowed, not panic
-	router.ServeHTTP(w, req)
-
-	if w.Code != http.StatusMethodNotAllowed {
-		t.Errorf("Expected status 405, got %d", w.Code)
-	}
-}