vmtests: fix TestTracepointLoadFormat

This is a trivial test to check the parsing of tracepoint info.
Unfortunately, there are minor changes between versions so we need to
account for that.

Signed-off-by: Kornilios Kourtis <kornilios@isovalent.com>

pkg/tracepoint/tracepoint_test.go

@@ -25,26 +25,17 @@ func TestTracepointLoadFormat(t *testing.T) {
 
 	// the standard does not specify if char is signed or not
 	// historically, it's signed on amd64 and unsigned on arm64
+	// NB: it seems to also be true for bpf-next, which currently is 6.6
 	isCharSigned := true
-	if runtime.GOARCH == "arm64" {
+	if runtime.GOARCH == "arm64" || !kernels.MinKernelVersion("6.6") {
 		isCharSigned = false
 	}
 
-	var commField FieldFormat
-	if kernels.MinKernelVersion("5.17.0") {
-		commField = FieldFormat{
-			FieldStr: "char comm[TASK_COMM_LEN]",
-			Offset:   12,
-			Size:     16,
-			IsSigned: isCharSigned,
-		}
-	} else {
-		commField = FieldFormat{
-			FieldStr: "char comm[16]",
-			Offset:   12,
-			Size:     16,
-			IsSigned: isCharSigned,
-		}
+	commField := FieldFormat{
+		FieldStr: "char comm[16]",
+		Offset:   12,
+		Size:     16,
+		IsSigned: isCharSigned,
 	}
 
 	fields := []FieldFormat{