Fixed
1. setInputStringsRegex(String aInputStringsRegex) ->
setPrefixOrSuffixForClassName (String  aPrefixOrSuffixForClassName)
private static String getIdentTest(DetailAST aNodeWithIdent) ->
getIdent(DetailAST aNodeWithIdent)

2.
extendsClass(mCurrentClassNode, "TestCase"); 
--> 
isExtendsClass(mCurrentClassNode, "TestCase");

3.
final String prefixOrSuffixForClassName = aPrefixOrSuffixForClassName ==
null ? "": aInputStringsRegex;
mInputStringsRegex = Pattern.compile(prefixOrSuffixForClassName);
Fixed: 1. setInputStringsRegex(String aInputStringsRegex) ->
setPrefixOrSuffixForClassName (String  aPrefixOrSuffixForClassName)
private static String getIdentTest(DetailAST aNodeWithIdent) ->
getIdent(DetailAST aNodeWithIdent)

2.
extendsClass(mCurrentClassNode, TestCase);
-->
isExtendsClass(mCurrentClassNode, TestCase);

3.
final String prefixOrSuffixForClassName = aPrefixOrSuffixForClassName ==
null ? : aInputStringsRegex;
mInputStringsRegex = Pattern.compile(prefixOrSuffixForClassName);