init: Working/uncommented JUnit lab solution

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# On branch main
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# Initial commit
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# Changes to be committed:
#	new file:   .gitattributes
#	new file:   .gitignore
#	new file:   .project
#	new file:   app/.classpath
#	new file:   app/.project
#	new file:   app/build.gradle
#	new file:   app/src/main/java/bst/BST.java
#	new file:   app/src/test/java/bst/BSTTest.java
#	new file:   gradle/wrapper/gradle-wrapper.properties
#	new file:   gradlew
#	new file:   gradlew.bat
#	new file:   settings.gradle
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