Fix source code bugs discovered during test coverage expansion#1036

Avery-Dunn wants to merge 3 commits into

avdunn/more-test-expansionAzureAD/microsoft-authentication-library-for-java:avdunn/more-test-expansionfrom

avdunn/various-fixesAzureAD/microsoft-authentication-library-for-java:avdunn/various-fixesCopy head branch name to clipboard