builder/vmware: Test the shutdown timeout

builder/vmware/builder_test.go

@@ -83,6 +83,25 @@ func TestBuilderPrepare_ISOUrl(t *testing.T) {
 	}
 }
 
+func TestBuilderPrepare_ShutdownTimeout(t *testing.T) {
+	var b Builder
+	config := testConfig()
+
+	// Test with a bad value
+	config["shutdown_timeout"] = "this is not good"
+	err := b.Prepare(config)
+	if err == nil {
+		t.Fatal("should have error")
+	}
+
+	// Test with a good one
+	config["shutdown_timeout"] = "5s"
+	err = b.Prepare(config)
+	if err != nil {
+		t.Fatalf("should not have error: %s", err)
+	}
+}
+
 func TestBuilderPrepare_SSHUser(t *testing.T) {
 	var b Builder
 	config := testConfig()