Manual testing of build#272

[alisevych]

Initial set-up

Check that the IntelliJ Idea UTBot plugin can be successfully installed

• Choose appropriate workflow from the list (by default, filter by main branch and take the latest one) https://github.com/UnitTestBot/UTBotJava/actions/runs/2932331551
• Download plugin
• Check downloaded zip-file size < 100 MB
  bug Size of plugin archive reducing #765
• Open IntelliJ IDE
• Remove previously installed UTBot plugin
• Clone or reuse UTBot project (https://github.com/UnitTestBot/UTBotJava.git)
• Open the project in the IDE
• Install the downloaded plugin

Go through manual scenarios

Manual scenario #1

• Use default plugin settings
• Open the utbot-sample/src/main/java/org/utbot/examples/algorithms/ArraysQuickSort.java file
• Generate tests for the class
• Remove results
• Generate tests for the methods

Manual scenario #2

• Use default plugin settings
• Open the utbot-sample/src/main/java/org/utbot/examples/mock/CommonMocksExample.java file
• Generate tests with all available (mocking) options

Manual scenario #3

• Create a new Gradle project
• Add a simple java file to test
• Generate a test with existing test root

Manual scenario #4

• Create a new Maven project
• Add a simple java file to test
• Generate a test with a new test root
  reproducing bug - Test source root is not hidden
  reproducing bug - Plugin UI. UnsupportedOperationException is thrown when new test source root creation is chosen #712

Manual scenario #5

• Create a new Idea project
• Add a simple java file to test
• Generate tests for several classes