Update dependencies to include github.com/godbus/dbus

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/github.com/godbus/dbus/sig_test.go

@@ -0,0 +1,70 @@
+package dbus
+
+import (
+	"testing"
+)
+
+var sigTests = []struct {
+	vs  []interface{}
+	sig Signature
+}{
+	{
+		[]interface{}{new(int32)},
+		Signature{"i"},
+	},
+	{
+		[]interface{}{new(string)},
+		Signature{"s"},
+	},
+	{
+		[]interface{}{new(Signature)},
+		Signature{"g"},
+	},
+	{
+		[]interface{}{new([]int16)},
+		Signature{"an"},
+	},
+	{
+		[]interface{}{new(int16), new(uint32)},
+		Signature{"nu"},
+	},
+	{
+		[]interface{}{new(map[byte]Variant)},
+		Signature{"a{yv}"},
+	},
+	{
+		[]interface{}{new(Variant), new([]map[int32]string)},
+		Signature{"vaa{is}"},
+	},
+}
+
+func TestSig(t *testing.T) {
+	for i, v := range sigTests {
+		sig := SignatureOf(v.vs...)
+		if sig != v.sig {
+			t.Errorf("test %d: got %q, expected %q", i+1, sig.str, v.sig.str)
+		}
+	}
+}
+
+var getSigTest = []interface{}{
+	[]struct {
+		b byte
+		i int32
+		t uint64
+		s string
+	}{},
+	map[string]Variant{},
+}
+
+func BenchmarkGetSignatureSimple(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		SignatureOf("", int32(0))
+	}
+}
+
+func BenchmarkGetSignatureLong(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		SignatureOf(getSigTest...)
+	}
+}