Added the fixed test case and also uses make header function now

eth/tracers/api.go

@@ -955,9 +955,7 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc
 
 	hdr := *block.Header()
 	if config != nil {
-		if err := config.BlockOverrides.ApplyHeader(&hdr); err != nil {
+		hdr = *config.BlockOverrides.MakeHeader(block.Header())
-			return nil, err
-		}
 	}
 
 	vmctx := core.NewEVMBlockContext(&hdr, api.chainContext(ctx), nil)

eth/tracers/api_test.go

@@ -689,6 +689,9 @@ func TestTracingWithOverrides(t *testing.T) {
 		Failed      bool
 		ReturnValue string
 	}
+	parentHashHex := backend.chain.GetHeaderByNumber(uint64(genBlocks - 1)).Hash().Hex()[2:]
+	return96 := fmt.Sprintf("0x%064s%s%064s", "", parentHashHex, "")
+
 	var testSuite = []struct {
 		blockNumber rpc.BlockNumber
 		call        ethapi.TransactionArgs
@@ -786,7 +789,7 @@ func TestTracingWithOverrides(t *testing.T) {
 			config: &TraceCallConfig{
 				BlockOverrides: &override.BlockOverrides{Number: (*hexutil.Big)(big.NewInt(0x1337))},
 			},
-			want: `{"gas":72666,"failed":false,"returnValue":"0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"}`,
+			want: fmt.Sprintf(`{"gas":72666,"failed":false,"returnValue":"%s"}`, return96),
 		},
 		/*
 			pragma solidity =0.8.12;

internal/ethapi/override/override.go

@@ -171,29 +171,6 @@ func (o *BlockOverrides) Apply(blockCtx *vm.BlockContext) error {
 	return nil
 }
 
-func (o *BlockOverrides) ApplyHeader(h *types.Header) error {
-	if o == nil {
-		return nil
-	}
-	if o.Number != nil {
-		h.Number = o.Number.ToInt()
-	}
-	if o.Time != nil {
-		h.Time = uint64(*o.Time)
-	}
-	if o.GasLimit != nil {
-		h.GasLimit = uint64(*o.GasLimit)
-	}
-	if o.Difficulty != nil {
-		h.Difficulty = o.Difficulty.ToInt()
-	}
-	if o.BaseFeePerGas != nil {
-		h.BaseFee = o.BaseFeePerGas.ToInt()
-	}
-
-	return nil
-}
-
 // MakeHeader returns a new header object with the overridden
 // fields.
 // Note: MakeHeader ignores BlobBaseFee if set. That's because