diff --git a/agents/fsevent_test.go b/agents/fsevent_test.go
index 107434bd9..6a7790f2b 100644
--- a/agents/fsevent_test.go
+++ b/agents/fsevent_test.go
@@ -1579,3 +1579,11 @@ func TestFseventV1AuthorizeArgsNoCGRFlags(t *testing.T) {
 		t.Errorf("")
 	}
 }
+
+func TestFseventV1TerminateSessionArgs(t *testing.T) {
+	fsev := FSEvent{}
+	args := fsev.V1TerminateSessionArgs()
+	if !args.TerminateSession {
+		t.Errorf("Expected TerminateSession to be true, got false")
+	}
+}
diff --git a/agents/kamevent_test.go b/agents/kamevent_test.go
index 655c58c76..3a3bd86c0 100644
--- a/agents/kamevent_test.go
+++ b/agents/kamevent_test.go
@@ -1023,3 +1023,12 @@ func TestKamEventAsMapStringInterfaceUsageKey(t *testing.T) {
 		t.Errorf("expected %v, got %v", expected, result)
 	}
 }
+
+func TestKamEventMissingParameterUnsupportedEvent(t *testing.T) {
+	kev := KamEvent{
+		EVENT: "unsupported_event",
+	}
+	if result := kev.MissingParameter(); !result {
+		t.Errorf("Expected true for unsupported event, got false")
+	}
+}
diff --git a/agents/libdns_test.go b/agents/libdns_test.go
index bc3dbf059..de9d0c428 100644
--- a/agents/libdns_test.go
+++ b/agents/libdns_test.go
@@ -1865,3 +1865,53 @@ func TestUpdateDnsRRHeaderRrtypeConversion(t *testing.T) {
 		t.Errorf("Expected Rrtype to be 28, got %d", v.Rrtype)
 	}
 }
+
+func TestLibDnsUpdateDnsAnswerARecord(t *testing.T) {
+	q := []dns.RR{
+
+		&dns.A{},
+	}
+	qType := dns.TypeA
+	qName := "cgrates.com"
+	path1 := []string{utils.DNSHdr, utils.DNSName}
+	value1 := "new.cgrates.com"
+	_, err1 := updateDnsAnswer(q, qType, qName, path1, value1, false)
+	if err1 != nil {
+		t.Errorf("Unexpected error for valid path: %v", err1)
+	}
+	updatedHeader := q[0].(*dns.A).Hdr
+	if updatedHeader.Name != value1 {
+		t.Errorf("Expected DNS header name to be %s, got %s", value1, updatedHeader.Name)
+	}
+	path2 := []string{utils.DNSA}
+	value2 := "192.168.2.1"
+	_, err2 := updateDnsAnswer(q, qType, qName, path2, value2, false)
+	if err2 != nil {
+		t.Errorf("Unexpected error for valid path: %v", err2)
+	}
+	updatedIP := q[0].(*dns.A).A.String()
+	if updatedIP != value2 {
+		t.Errorf("Expected IP address to be %s, got %s", value2, updatedIP)
+	}
+	path3 := []string{"invalid_path"}
+	_, err3 := updateDnsAnswer(q, qType, qName, path3, value1, false)
+	if err3 == nil {
+		t.Errorf("Expected error for invalid path, got nil")
+	}
+
+}
+
+func TestLibDnsUpdateDnsOptionCase1(t *testing.T) {
+	var q []dns.EDNS0
+	path := []string{}
+	value := "value"
+	newBranch := true
+	updatedQ, err := updateDnsOption(q, path, value, newBranch)
+	if err == nil {
+		t.Errorf("Unexpected error for valid path: %v", err)
+	}
+	if len(updatedQ) == 1 {
+		t.Errorf("Expected updatedQ length to be 1, got %d", len(updatedQ))
+	}
+
+}