cli: Fix file escaping

alib2cli/test-src/aql/basic/file2.aql

+execute $set >"lo\\cal/yyy.xml"
\ No newline at end of file

alib2cli/test-src/aql/basic/file3.aql

+execute < "local/yyy.xml"
\ No newline at end of file

alib2cli/test-src/cli/CliTest.cpp

@@ -380,7 +380,7 @@ TEST_CASE("Cli", "[unit][cli]")
         testLine("execute $set | Print -", environment);
-        testLine("execute $set >\"lo\\\\cal/yyy.xml\"", environment);
+        testLine("execute $set >\"local/yyy.xml\"", environment);
         testLine("execute < \"local/yyy.xml\" > $set2", environment);
         CHECK(ext::to_string(environment.getVariable("set2")->getActualType()) == "ext::set<int>");