✅ Add test for WaitForError panic

waiterr.go

@@ -50,7 +50,7 @@ func (we *WaitErr) Go(f func() error) {
 // with that error. If all functions return successfully, a nil is returned. It will panic if called before Go.
 func (we *WaitErr) WaitForError() error {
 	if we.errCh == nil {
-		panic("WaitForError called before Go, errCh is nil")
+		panic("WaitForError called before Go")
 	}
 	// Check if an error has already been set
 	we.mut.RLock()

waiterr_test.go

@@ -92,3 +92,14 @@ func TestUnwrap(tt *testing.T) {
 		be.Equal(t, weNoErr.Unwrap(), nil)
 	})
 }
+
+func TestWaitForErrorPanic(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Errorf("The code did not panic")
+		}
+	}()
+
+	we := new(waiterr.WaitErr)
+	_ = we.WaitForError()
+}