fix(update-collection-v3): check migration directories in tests

Author: Mikołaj Świątek

src/go/cmd/update-collection-v3/main.go

@@ -75,7 +75,7 @@ func migrateYamlFile(yamlV2FilePath string, yamlV3FilePath string) error {
 
 var migrations = []Migration{
 	{
-		directory: "kube-prometheus-stack",
+		directory: "kube-state-metrics-collectors",
 		action:    kubestatemetricscollectors.Migrate,
 	},
 	{

src/go/cmd/update-collection-v3/main_test.go

@@ -16,6 +16,9 @@ func TestIndividualMigrations(t *testing.T) {
 	_, testFileName, _, _ := runtime.Caller(0)
 	currentTestDirectory := path.Dir(testFileName)
 	for _, migration := range migrations {
+		migrationDirectory := path.Join(currentTestDirectory, "migrations", migration.directory)
+		_, err := os.Stat(migrationDirectory)
+		require.NoError(t, err, "migration directory '%s' not found", migration.directory)
 		testMigrationsInDirectory(t, migration.action, path.Join(currentTestDirectory, "migrations", migration.directory, "testdata"))
 	}
 }