Remove redudant types from util_test.go

Signed-off-by: Dmitry Chepurovskiy <dm3ch@dm3ch.net>
Signed-off-by: Dmitry Chepurovskiy <me@dm3ch.net>

pkg/storage/driver/util_test.go

@@ -32,14 +32,11 @@ func TestIsSystemLabel(t *testing.T) {
 	}
 }
 
-type filterSystemLabelsTest struct {
-	args, expected map[string]string
-}
-
-var filterSystemLabelsTests = []filterSystemLabelsTest{
-	filterSystemLabelsTest{nil, nil},
-	filterSystemLabelsTest{map[string]string{}, nil},
-	filterSystemLabelsTest{map[string]string{
+func TestFilterSystemLabels(t *testing.T) {
+	var tests = [][2]map[string]string{
+		{nil, nil},
+		{map[string]string{}, nil},
+		{map[string]string{
 			"name":       "name",
 			"owner":      "owner",
 			"status":     "status",
@@ -47,7 +44,7 @@ var filterSystemLabelsTests = []filterSystemLabelsTest{
 			"createdAt":  "createdAt",
 			"modifiedAt": "modifiedAt",
 		}, nil},
-	filterSystemLabelsTest{map[string]string{
+		{map[string]string{
 			"StaTus": "status",
 			"name":   "name",
 			"owner":  "owner",
@@ -56,19 +53,17 @@ var filterSystemLabelsTests = []filterSystemLabelsTest{
 			"StaTus": "status",
 			"key":    "value",
 		}},
-	filterSystemLabelsTest{map[string]string{
+		{map[string]string{
 			"key1": "value1",
 			"key2": "value2",
 		}, map[string]string{
 			"key1": "value1",
 			"key2": "value2",
 		}},
-}
-
-func TestFilterSystemLabels(t *testing.T) {
-	for _, test := range filterSystemLabelsTests {
-		if output := filterSystemLabels(test.args); !reflect.DeepEqual(test.expected, output) {
-			t.Errorf("Expected {%v}, got {%v}", test.expected, output)
+	}
+	for _, test := range tests {
+		if output := filterSystemLabels(test[0]); !reflect.DeepEqual(test[1], output) {
+			t.Errorf("Expected {%v}, got {%v}", test[1], output)
 		}
 	}
 }