Update projekt3 tests

cp/project3/project3_grade.py

cp/project3/project3_tests.py

cp/project3/unitgrade_data/WaterHeight.pkl

cp/project3/unitgrade_data/Week05BestBuy.pkl

cp/project3/unitgrade_data/Week05TicTacToeGetGameState.pkl

cp/project3/unitgrade_data/Week05TicTacToePrintBoard.pkl

cp/project3/unitgrade_data/Week05TicTacToeUpdateBoard.pkl

cp/project3/unitgrade_data/Week06MultiTap.pkl

cp/project3/unitgrade_data/Week06SentimentAnalysis.pkl

cp/project3/unitgrade_data/Week06SpellCheck.pkl

cp/tests/tests_week06.py

cp/tests/unitgrade_data/Week06ExtractKeywords.pkl

cp/tests/unitgrade_data/Week06GetPeopleByLanguage.pkl

cp/tests/unitgrade_data/Week06LetterHistogram.pkl

cp/tests/unitgrade_data/Week06MultiTap.pkl

cp/tests/unitgrade_data/Week06SentimentAnalysis.pkl

cp/tests/unitgrade_data/Week06SpellCheck.pkl

cp/tests/unitgrade_data/Week06TextToNato.pkl

cp/tests/unitgrade_data/Week06TruncateAndNormalize.pkl

cp/tests/unitgrade_data/Week06WordHistogram.pkl