netivetest: migrate Oracle contract tests to neotest

pkg/core/native_oracle_test.go

@@ -2,7 +2,6 @@ package core
 
 import (
 	"errors"
-	"math"
 	"math/big"
 	"testing"
 
@@ -254,9 +253,3 @@ func TestOracle_Request(t *testing.T) {
 		})
 	})
 }
-
-func TestGetSetPrice(t *testing.T) {
-	bc := newTestChain(t)
-	testGetSet(t, bc, bc.contracts.Oracle.Hash, "Price",
-		native.DefaultOracleRequestPrice, 1, math.MaxInt64)
-}

pkg/nativetest/oracle_test.go

@@ -0,0 +1,18 @@
+package nativetest
+
+import (
+	"math"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/native"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
+	"github.com/nspcc-dev/neo-go/pkg/neotest"
+)
+
+func newOracleClient(t *testing.T) *neotest.ContractInvoker {
+	return newNativeClient(t, nativenames.Oracle)
+}
+
+func TestGetSetPrice(t *testing.T) {
+	testGetSet(t, newOracleClient(t), "Price", native.DefaultOracleRequestPrice, 1, math.MaxInt64)
+}