APM: Skip flaky trace config hostname test (#32233)

comp/trace/config/config_test.go

@@ -9,6 +9,7 @@ import (
 	"bufio"
 	"bytes"
 	"context"
+	_ "embed"
 	"encoding/json"
 	"errors"
 	"net/http"
@@ -245,6 +246,9 @@ func TestTelemetryEndpointsConfig(t *testing.T) {
 	})
 }
 
+//go:embed testdata/stringcode.go.tmpl
+var stringCodeBody string
+
 func TestConfigHostname(t *testing.T) {
 	t.Run("fail", func(t *testing.T) {
 		overrides := map[string]interface{}{
@@ -360,19 +364,14 @@ func TestConfigHostname(t *testing.T) {
 	})
 
 	t.Run("external", func(t *testing.T) {
-		body, err := os.ReadFile("testdata/stringcode.go.tmpl")
-		if err != nil {
-			t.Fatal(err)
-		}
-
 		// makeProgram creates a new binary file which returns the given response and exits to the OS
 		// given the specified code, returning the path of the program.
 		makeProgram := func(t *testing.T, response string, code int) string {
 			f, err := os.CreateTemp("", "trace-test-hostname.*.go")
 			if err != nil {
 				t.Fatal(err)
 			}
-			tmpl, err := template.New("program").Parse(string(body))
+			tmpl, err := template.New("program").Parse(stringCodeBody)
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -399,6 +398,7 @@ func TestConfigHostname(t *testing.T) {
 		fallbackHostnameFunc = func() (string, error) { return "fallback.host", nil }
 
 		t.Run("good", func(t *testing.T) {
+			t.Skip("Skip flaky test while we explore fixes.")
 			bin := makeProgram(t, "host.name", 0)
 			defer os.Remove(bin)