fix minor unreachable code caused by t.Fatal (#4450)

Signed-off-by: Abirdcfly <fp544037857@gmail.com>

Signed-off-by: Abirdcfly <fp544037857@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: lni <nilei81@gmail.com>
Co-authored-by: fengttt <fengttt@gmail.com>

pkg/vectorize/div/integer_div_test.go

@@ -83,8 +83,7 @@ func TestF32IntegerDiv(t *testing.T) {
 
 	err := NumericIntegerDivFloat[float32](av, bv, cv)
 	if err != nil {
-		t.Fatal(err)
-		t.Fatalf("decimal64 integer div failed")
+		t.Fatal(err, "decimal64 integer div failed")
 	}
 }