" }",
"}");
String frameSource = m_lastEditor.getSource();
// add key
GwtSource source = new GwtSource(frame, "test.client.MyConstants", null);
source.apply_addKey("newKey");
// checks
assertEditor(frameSource, m_lastEditor);
{
String accessor = getFileContentSrc("test/client/MyConstants.java");
assertThat(accessor).contains("String newKey();");