Add JUnit 4.11 dependencies and add first test class
Test stub has been implemented
MyFristTest.java has been deleted
Test stubs have been added
executeQueryTest and executeQueryForCollectionTest methods have been implemented
executeUpdateTest method has been implemented
restoreDatabase method has been implemented
transactionMethodTest and createTest methods have been implemented
Other test methods have been implemented
Bug with getGetMethods method has been fixed as well as changed pom.xml file
Bunch of bugs have been fixed in DatabaseConnection class as well as writed proper code for all unit-test methods