add server reflection to Probes list

internal/api/grpc/probes_test.go

@@ -0,0 +1,32 @@
+package grpc
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
+)
+
+func TestAllPaths(t *testing.T) {
+	type args struct {
+		sd grpc.ServiceDesc
+	}
+	tests := []struct {
+		name string
+		args args
+		want []string
+	}{
+		{
+			name: "server reflection",
+			args: args{grpc_reflection_v1alpha.ServerReflection_ServiceDesc},
+			want: []string{"/grpc.reflection.v1alpha.ServerReflection/ServerReflectionInfo"},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := AllPaths(tt.args.sd)
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}