Replace godep with dep

vendor/github.com/mailru/easyjson/tests/required_test.go

@@ -0,0 +1,28 @@
+package tests
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestRequiredField(t *testing.T) {
+	cases := []struct{ json, errorMessage string }{
+		{`{"first_name":"Foo", "last_name": "Bar"}`, ""},
+		{`{"last_name":"Bar"}`, "key 'first_name' is required"},
+		{"{}", "key 'first_name' is required"},
+	}
+
+	for _, tc := range cases {
+		var v RequiredOptionalStruct
+		err := v.UnmarshalJSON([]byte(tc.json))
+		if tc.errorMessage == "" {
+			if err != nil {
+				t.Errorf("%s. UnmarshalJSON didn`t expect error: %v", tc.json, err)
+			}
+		} else {
+			if fmt.Sprintf("%v", err) != tc.errorMessage {
+				t.Errorf("%s. UnmarshalJSON expected error: %v. got: %v", tc.json, tc.errorMessage, err)
+			}
+		}
+	}
+}