private Namespace findMatchingChildNamespace(String namespaceName, Namespace parentNamespace,
			SymbolTable symbolTable) {

		SymbolIterator it = symbolTable.getSymbols(parentNamespace);
		while (it.hasNext()) {
			Symbol s = it.next();
			if (s.getSymbolType() == SymbolType.NAMESPACE) {
				if (namespaceName.equals(s.getName())) {
					return (Namespace) s.getObject();
				}
			}
		}

		return null;
	}
Constructor that takes the name of the test to run.
Ghidra/Features/Base/src/test/java/ghidra/app/cmd/label/CreateNamespacesCmdTest.java