ProfileActivation activation;

        activation = new ProfileActivation();
        performProfileActivation(parser.parse(options, new String[] {"-P", "test1,+test2,?test3,+?test4"}), activation);
        assertThat(activation.getRequiredActiveProfileIds(), containsInAnyOrder("test1", "test2"));
        assertThat(activation.getOptionalActiveProfileIds(), containsInAnyOrder("test3", "test4"));

        activation = new ProfileActivation();

// on any ReadFrom. See golang.org/issue/35194.
func TestWriterReadFromMustReturnUnderlyingError(t *testing.T) {
	var wr = NewWriter(writeErrorOnlyWriter{})
	s := "test1"
	wantBuffered := len(s)
	if _, err := wr.WriteString(s); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := wr.Flush(); err == nil {
		t.Error("expected flush error, got nil")
	}