Refactor tests to package private

• Refactor all test classes and methods to package visibility
• Remove any @SuppressWarnings("javadoc") annotations

added To Do label

assigned to @bclayton

added In Progress label and removed To Do label

marked the checklist item Remove any @SuppressWarnings("javadoc") annotations as completed

marked the checklist item Refactor all test classes and methods to package visibility as completed

mentioned in merge request !110 (merged)

added Needs Review label and removed In Progress label

added 1 deleted label and removed Needs Review label

mentioned in commit 195b27be

closed via merge request !110 (merged)