Isolate CLI tests from host configuration

cmd/audita/main_integration_test.go

@@ -571,6 +571,15 @@ func runCLISubprocessContext(t *testing.T, ctx context.Context, extraEnv map[str
 	cmdArgs := append([]string{"-test.run=TestHelperProcess", "--"}, args...)
 	cmd := exec.CommandContext(ctx, os.Args[0], cmdArgs...)
 	env := append(filterAuditaEnv(os.Environ()), "GO_WANT_HELPER_PROCESS=1")
+	// Use defaults without discovering the host's installed configuration.
+	// Explicit test environment overrides and --config retain their precedence.
+	if _, supplied := extraEnv["AUDITA_CONFIG"]; !supplied {
+		configPath := filepath.Join(t.TempDir(), "config.yml")
+		if err := os.WriteFile(configPath, []byte("version: 1\n"), 0600); err != nil {
+			t.Fatalf("write baseline config: %v", err)
+		}
+		env = append(env, "AUDITA_CONFIG="+configPath)
+	}
 	for k, v := range extraEnv {
 		env = append(env, fmt.Sprintf("%s=%s", k, v))
 	}