[release/1.4.6] core: Simplify bloom9 tests with available convenience method `TestBytes`

(cherry picked from commit faf66313)

core/types/bloom9_test.go

@@ -39,12 +39,12 @@ func TestBloom(t *testing.T) {
 	}
 
 	for _, data := range positive {
-		if !bloom.Test(new(big.Int).SetBytes([]byte(data))) {
+		if !bloom.TestBytes([]byte(data)) {
 			t.Error("expected", data, "to test true")
 		}
 	}
 	for _, data := range negative {
-		if bloom.Test(new(big.Int).SetBytes([]byte(data))) {
+		if bloom.TestBytes([]byte(data)) {
 			t.Error("did not expect", data, "to test true")
 		}
 	}