Test conn (#199)

* test: add conn tests

* test: add ConnStatus tests

* test: add error test

* test: add more conn tests

client/internal/peer/status_test.go

@@ -0,0 +1,27 @@
+package peer
+
+import (
+	"github.com/magiconair/properties/assert"
+	"testing"
+)
+
+func TestConnStatus_String(t *testing.T) {
+
+	tables := []struct {
+		name   string
+		status ConnStatus
+		want   string
+	}{
+		{"StatusConnected", StatusConnected, "StatusConnected"},
+		{"StatusDisconnected", StatusDisconnected, "StatusDisconnected"},
+		{"StatusConnecting", StatusConnecting, "StatusConnecting"},
+	}
+
+	for _, table := range tables {
+		t.Run(table.name, func(t *testing.T) {
+			got := table.status.String()
+			assert.Equal(t, got, table.want, "they should be equal")
+		})
+	}
+
+}