Adding UTs part-1

Change-Id: I7fdb7751f536d1a616cf2a81b7ef16747d71f692
diff --git a/internal/pkg/of/flows_test.go b/internal/pkg/of/flows_test.go
new file mode 100644
index 0000000..28a6d46
--- /dev/null
+++ b/internal/pkg/of/flows_test.go
@@ -0,0 +1,86 @@
+/*
+* 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 of
+
+import (
+	"net"
+	"testing"
+)
+
+func TestMatch_SetTableMetadata(t *testing.T) {
+	type fields struct {
+		SrcMacAddr    net.HardwareAddr
+		SrcMacMask    net.HardwareAddr
+		DstMacAddr    net.HardwareAddr
+		DstMacMask    net.HardwareAddr
+		SrcIpv4Addr   net.IP
+		DstIpv4Addr   net.IP
+		TableMetadata uint64
+		InPort        uint32
+		MatchVlan     VlanType
+		Pbits         PbitType
+		L3Protocol    EtherType
+		SrcPort       uint16
+		DstPort       uint16
+		L4Protocol    IPProtocol
+		DstIpv4Match  bool
+		SrcIpv4Match  bool
+		SrcMacMatch   bool
+		DstMacMatch   bool
+		MatchPbits    bool
+	}
+	type args struct {
+		metadata uint64
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+	}{
+		{
+			name: "test",
+			args: args{
+				metadata: uint64(537416),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			m := &Match{
+				SrcMacAddr:    tt.fields.SrcMacAddr,
+				SrcMacMask:    tt.fields.SrcMacMask,
+				DstMacAddr:    tt.fields.DstMacAddr,
+				DstMacMask:    tt.fields.DstMacMask,
+				SrcIpv4Addr:   tt.fields.SrcIpv4Addr,
+				DstIpv4Addr:   tt.fields.DstIpv4Addr,
+				TableMetadata: tt.fields.TableMetadata,
+				InPort:        tt.fields.InPort,
+				MatchVlan:     tt.fields.MatchVlan,
+				Pbits:         tt.fields.Pbits,
+				L3Protocol:    tt.fields.L3Protocol,
+				SrcPort:       tt.fields.SrcPort,
+				DstPort:       tt.fields.DstPort,
+				L4Protocol:    tt.fields.L4Protocol,
+				DstIpv4Match:  tt.fields.DstIpv4Match,
+				SrcIpv4Match:  tt.fields.SrcIpv4Match,
+				SrcMacMatch:   tt.fields.SrcMacMatch,
+				DstMacMatch:   tt.fields.DstMacMatch,
+				MatchPbits:    tt.fields.MatchPbits,
+			}
+			m.SetTableMetadata(tt.args.metadata)
+		})
+	}
+}