diff --git a/internal/sm2ec/sm2p256_asm_s390x_test.go b/internal/sm2ec/sm2p256_asm_s390x_test.go
index 8aab9a4..b0baef8 100644
--- a/internal/sm2ec/sm2p256_asm_s390x_test.go
+++ b/internal/sm2ec/sm2p256_asm_s390x_test.go
@@ -47,7 +47,7 @@ func testP256FromMont(v *big.Int, t *testing.T) {
 	res := new(p256Element)
 	p256FromMont(res, val)
 	if toBigInt(res).Cmp(v) != 0 {
-		t.Fatalf("p256FromMont failed for %x", v.Bytes())
+		t.Errorf("p256FromMont failed for %x", v.Bytes())
 	}
 }
 
@@ -66,11 +66,10 @@ func testP256OrderReduce(v, expected *big.Int, t *testing.T) {
 	fromBig((*[4]uint64)(val), v)
 	p256OrdReduce(val)
 	if ordElmToBigInt(val).Cmp(expected) != 0 {
-		t.Fatalf("p256OrdReduce failed for %x", v.Bytes())
+		t.Errorf("p256OrdReduce failed for %x", v.Bytes())
 	}
 }
 
-
 func TestP256OrderReduce(t *testing.T) {
 	p, _ := new(big.Int).SetString("FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123", 16)
 	for i := 0; i < 20; i++ {