diff --git a/agents/astagent_test.go b/agents/astagent_test.go
index f17971bc7..86e9ffa25 100644
--- a/agents/astagent_test.go
+++ b/agents/astagent_test.go
@@ -18,6 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package agents
 
 import (
+	"errors"
 	"testing"
 
 	"github.com/cgrates/birpc"
@@ -119,3 +120,45 @@ func TestAsteriskAgentV1AlterSession(t *testing.T) {
 		t.Errorf("Expected error: %v, got: %v", utils.ErrNotImplemented, err)
 	}
 }
+
+func TestAsteriskAgentCall(t *testing.T) {
+	sma := &AsteriskAgent{}
+	ctx := context.Background()
+
+	tests := []struct {
+		name          string
+		serviceMethod string
+		args          any
+		reply         any
+		expectedError error
+	}{
+		{
+			name:          "Valid service method",
+			serviceMethod: "testMethod",
+			args:          nil,
+			reply:         nil,
+			expectedError: nil,
+		},
+		{
+			name:          "Invalid service method",
+			serviceMethod: "invalidMethod",
+			args:          nil,
+			reply:         nil,
+			expectedError: errors.New("unexpected method"),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := sma.Call(ctx, tt.serviceMethod, tt.args, tt.reply)
+
+			if err == nil && tt.expectedError == nil {
+				t.Errorf("expected no error, but got: %v", err)
+			} else if err == nil && tt.expectedError != nil {
+				t.Errorf("expected error: %v, but got no error", tt.expectedError)
+			} else if err == nil && tt.expectedError != nil {
+				t.Errorf("expected error: %v, but got: %v", tt.expectedError, err)
+			}
+		})
+	}
+}
diff --git a/apier/v1/libapier_test.go b/apier/v1/libapier_test.go
index 3a7ac20d5..2a7d7f7f7 100644
--- a/apier/v1/libapier_test.go
+++ b/apier/v1/libapier_test.go
@@ -281,3 +281,17 @@ func TestCallCacheForFilter(t *testing.T) {
 		t.Errorf("Expected %s ,received: %s", utils.ToJSON(exp), utils.ToJSON(rpl))
 	}
 }
+
+func TestResourceSv1Ping(t *testing.T) {
+	rsv1 := &ResourceSv1{}
+	ctx := context.Background()
+	ign := &utils.CGREvent{}
+	var reply string
+	err := rsv1.Ping(ctx, ign, &reply)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	if reply != utils.Pong {
+		t.Errorf("expected reply to be %v, got %v", utils.Pong, reply)
+	}
+}
diff --git a/apier/v1/rankings_test.go b/apier/v1/rankings_test.go
new file mode 100644
index 000000000..5a000eaf1
--- /dev/null
+++ b/apier/v1/rankings_test.go
@@ -0,0 +1,99 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package v1
+
+import (
+	"testing"
+
+	"github.com/cgrates/birpc/context"
+	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/utils"
+)
+
+func TestRankingSv1Ping(t *testing.T) {
+	sa := &RankingSv1{}
+	ctx := context.Background()
+	ign := &utils.CGREvent{}
+	var reply string
+	err := sa.Ping(ctx, ign, &reply)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	if reply != utils.Pong {
+		t.Errorf("expected reply to be %v, got %v", utils.Pong, reply)
+	}
+}
+func TestNewRankingSv1(t *testing.T) {
+	rankingSvc := NewRankingSv1()
+	if rankingSvc == nil {
+		t.Errorf("NewRankingSv1() returned nil")
+	}
+}
+
+func TestRemoveRankingProfile(t *testing.T) {
+	dataManager := &engine.DataManager{}
+	apierSv1 := &APIerSv1{
+		DataManager: dataManager,
+	}
+	args := &utils.TenantIDWithAPIOpts{
+		APIOpts: map[string]interface{}{
+			utils.CacheOpt: "cacheOptValue",
+		},
+	}
+	var reply string
+	err := apierSv1.RemoveRankingProfile(nil, args, &reply)
+	if err == nil {
+		t.Fatalf("RemoveRankingProfile() returned an error: %v", err)
+	}
+	if reply == utils.OK {
+		t.Errorf("RemoveRankingProfile() returned reply = %v, want %v", reply, utils.OK)
+	}
+
+}
+
+func TestRalsPing(t *testing.T) {
+	rsv1 := &RALsV1{}
+	ctx := context.Background()
+	var ign *utils.CGREvent
+	var reply string
+	err := rsv1.Ping(ctx, ign, &reply)
+	if err != nil {
+		t.Errorf("Expected no error, got %v", err)
+	}
+	expectedReply := utils.Pong
+	if reply != expectedReply {
+		t.Errorf("Expected reply %v, got %v", expectedReply, reply)
+	}
+}
+
+func TestRalsCall(t *testing.T) {
+	rsv1 := &RALsV1{}
+	ctx := context.Background()
+	serviceMethod := "TestServiceMethod"
+	args := "TestArgs"
+	var reply string
+	err := rsv1.Call(ctx, serviceMethod, args, &reply)
+	if err == nil {
+		t.Errorf("UNSUPPORTED_SERVICE_METHOD")
+	}
+	expectedReply := "response"
+	if reply == expectedReply {
+		t.Errorf("Expected reply %v, got %v", expectedReply, reply)
+	}
+}