chore(test): add the option to skip packages (#7286)

* chore(test): add the option to skip packages

* fixing pkg in has

* fixing has function

t/t.go

@@ -84,6 +84,9 @@ var (
 	downloadResources = pflag.BoolP("download", "d", true,
 		"Flag to specify whether to download resources or not")
 	race = pflag.Bool("race", false, "Set true to build with race")
+	skip = pflag.String("skip", "",
+		"comma separated list of packages that needs to be skipped. "+
+			"Package Check uses string.Contains(). Please check the flag carefully")
 )
 
 func commandWithContext(ctx context.Context, args ...string) *exec.Cmd {
@@ -427,14 +430,16 @@ func composeFileFor(pkg string) string {
 func getPackages() []task {
 	has := func(list []string, in string) bool {
 		for _, l := range list {
-			if strings.Contains(in, l) {
+			if len(l) > 0 && strings.Contains(in, l) {
 				return true
 			}
 		}
 		return false
 	}
 
 	slowPkgs := []string{"systest", "ee/acl", "cmd/alpha", "worker", "e2e"}
+	skipPkgs := strings.Split(*skip, ",")
+
 	moveSlowToFront := func(list []task) []task {
 		// These packages typically take over a minute to run.
 		left := 0
@@ -485,6 +490,11 @@ func getPackages() []task {
 			continue
 		}
 
+		if has(skipPkgs, pkg.ID) {
+			fmt.Printf("Skipping pacakge %s as its available in skip list \n", pkg.ID)
+			continue
+		}
+
 		fname := composeFileFor(pkg.ID)
 		_, err := os.Stat(fname)
 		t := task{pkg: pkg, isCommon: os.IsNotExist(err)}