Added code for inter-contract test case

Author: olivieriluca

go-lisa/go-testcases/hf/cchi/cchi6/cchi6-a.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/hyperledger/fabric-chaincode-go/shim"
+	"github.com/hyperledger/fabric-protos-go/peer"
+)
+
+type ContractA struct {
+}
+
+func (s *ContractA) Invoke(stub shim.ChaincodeStubInterface) peer.Response {
+	
+	resp := stub.InvokeChaincode("contractB", []byte("10"), "mychannel")
+
+	return shim.Success([]byte("Hello!"))
+}

go-lisa/go-testcases/hf/cchi/cchi6/cchi6-b.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/hyperledger/fabric-chaincode-go/shim"
+	"github.com/hyperledger/fabric-protos-go/peer"
+)
+
+type ContractB struct {
+}
+
+func (t *ContractB) Invoke(stub shim.ChaincodeStubInterface) peer.Response {
+	
+	stub.PutState("key1", "Bob")
+
+	return shim.Success([]byte("OK"))
+}