public DomainFile getDomainFile(String parentPath, String filename) throws Exception {
		DomainFolder folder = getFolder(parentPath);
		DomainFile df = folder.getFile(filename);
		return df;
	}
Gets the domain file for the given name.  The file must have been added to the 
project via one of:
<ul>
	<li>calling {@link #addDomainFile(String)}</li>
 <li>Adding a versioned file to another project that shares the same repo with this project</li>
</ul>
@param parentPath the parent folder path
@param filename the filename
@return the file
Ghidra/Features/Base/src/test/java/ghidra/base/project/FakeSharedProject.java