@NonNls final SpringFileSet fileSet = springFacet.addFileSet("", "default");
for (final String springXmlPath : springXmlPaths) {
myFixture.copyFileToProject(springXmlPath);
final VirtualFile file = myFixture.getTempDirFixture().getFile(springXmlPath);
assert file != null;
fileSet.addFile(file);
}
springFacet.getConfiguration().setModified();
myFixture.copyFileToProject("MyAbstractClass.java");