Memory leaks in data_resumption_test unit tests

[shoamano83]

Bug Report

Memory leaks are observed when data_resumption_test is executed under valgrind.

Reproduction Steps

1. Check out commit 1527db9 from develop branch
2. Give a build with cmake ../sdl_core -DBUILD_TESTS=ON and make
3. under src/components/application_manager/test directory, run valgrind --trace-children=yes --leak-check=full ./data_resumption_test > data_resumption_test_valgrind.txt 2>&1

Expected Behavior

Memory leaks should not be observed.

Observed Behavior

Valgrind reports several memory leaks. Please refer to attached log files.

OS & Version Information

• OS/Version: Ubuntu 16.04 (amd64)
• SDL Core Version: Commit 1527db9 from develop branch
• Testing Against: N/A (unit testing)

Test Case, Sample Code, and / or Example App

Valgrind log is attached: data_resumption_test_valgrind.txt

[shoamano83]

I created a fix for this issue to find out that the memory leaks were caused by inappropriate implementation of the unit test code. This is not an issue of SDL Core itself, so the priority may be low.

[iCollin]

Closed via #2273