implement basic exec [ci skip]

engine/linter/linter_test.go

@@ -30,6 +30,12 @@ func TestLint(t *testing.T) {
 			message: "linter: invalid or missing image",
 		},
 		// user should not use reserved volume names.
+		{
+			path:    "testdata/volume_missing_name.yml",
+			trusted: false,
+			invalid: true,
+			message: "linter: missing volume name",
+		},
 		{
 			path:    "testdata/volume_invalid_name.yml",
 			trusted: false,