Adding UTs part-1

Change-Id: I7fdb7751f536d1a616cf2a81b7ef16747d71f692
diff --git a/internal/pkg/application/igmp_test.go b/internal/pkg/application/igmp_test.go
new file mode 100644
index 0000000..9e1e940
--- /dev/null
+++ b/internal/pkg/application/igmp_test.go
@@ -0,0 +1,36 @@
+/*
+* Copyright 2022-present Open Networking Foundation
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+ */
+
+package application
+
+import (
+	"testing"
+)
+
+func TestVoltApplication_InitIgmpSrcMac(t *testing.T) {
+	tests := []struct {
+		name string
+	}{
+		{
+			name: "test",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			va := &VoltApplication{}
+			va.InitIgmpSrcMac()
+		})
+	}
+}