fix arbology tests

alib2integrationtest/test-src/tests/arbologyTest.cpp

@@ -149,7 +149,7 @@ TEST_CASE ( "Arbology tests | nonlinear pattern ends", "[integration]" ) {
 				"arbology::exact::ExactNonlinearTreePatternAutomaton (PrefixRankedTree)$subject <(tree::SubtreeWildcard::get $pattern) <(tree::NonlinearAlphabet::get $pattern) | automaton::determinize::Determinize - |"
 				"(SetOfObjects)automaton::run::Result - (LinearString)(PrefixRankedNonlinearPattern) $pattern (DefaultStateType) { :Object } ", 80 ) );
-	auto exact = "arbology::exact::ExactPatternMatch $subject $pattern | arbology::transform::BeginToEndIndex $subject -";
+	auto exact = "arbology::exact::ExactPatternMatch $subject $pattern | arbology::transform::BeginToEndIndex (PrefixRankedTree) $subject -";
 	auto pattern = EGenerateType::NONLINEAR_PATTERN_SINGLE_VAR;
 	SECTION ( "Test files" ) {