chore: unnecessary use of fmt.Sprint or fmt.Sprintf (#818)

Signed-off-by: guoguangwu <[email protected]>

cmd/goss/goss.go

@@ -210,7 +210,7 @@ func main() {
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "debug, d",
-					Usage: fmt.Sprintf("Print debugging info when rendering"),
+					Usage: "Print debugging info when rendering",
 				},
 			},
 			Action: func(c *cli.Context) error {
@@ -415,7 +415,7 @@ func addAlphaFlagIfNeeded(app *cli.App) {
 	if runtime.GOOS == "darwin" || runtime.GOOS == "windows" {
 		app.Flags = append(app.Flags, cli.StringFlag{
 			Name:   "use-alpha",
-			Usage:  fmt.Sprintf("goss on macOS/Windows is alpha-quality. Set to 1 to use anyway."),
+			Usage:  "goss on macOS/Windows is alpha-quality. Set to 1 to use anyway.",
 			EnvVar: "GOSS_USE_ALPHA",
 			Value:  "0",
 		})

outputs/outputs.go

@@ -242,7 +242,7 @@ func summary(startTime, endTime time.Time, count, failed, skipped int) string {
 func failedOrSkippedSummary(failedOrSkipped [][]resource.TestResult, includeRaw bool) string {
 	var s string
 	if len(failedOrSkipped) > 0 {
-		s += fmt.Sprint("Failures/Skipped:\n\n")
+		s += "Failures/Skipped:\n\n"
 		sort.Slice(failedOrSkipped, func(i, j int) bool {
 			return failedOrSkipped[i][0].SortKey() < failedOrSkipped[j][0].SortKey()
 		})
@@ -255,7 +255,7 @@ func failedOrSkippedSummary(failedOrSkipped [][]resource.TestResult, includeRaw
 			for _, testResult := range failedGroup {
 				s += fmt.Sprintln(humanizeResult(testResult, false, includeRaw))
 			}
-			s += fmt.Sprint("\n")
+			s += "\n"
 		}
 	}
 	return s