PropertySet testPS = getTestPS();
testPS.load( new File( getTestFolder(), PREFIX_RESULT + TEST_MethodInsert + DOT + TXT ) );
PropertySet refPS = getReferencePS();
refPS.clear();
refPS.set( "string", "string" );
refPS.set( "char", "'c'" );
refPS.set( "integer", "123" );
refPS.set( "float", "4.56" );