update test to search for attached mail body
MODIFY
tika-parser-modules/tika-parser-microsoft-module/src/test/resources/test-documents/testPST.pst
tika-parser-modules/tika-parser-microsoft-module/src/test/resources/test-documents/testPST.pst
Binary files a/tika-parser-modules/tika-parser-microsoft-module/src/test/resources/test-documents/testPST.pst and b/tika-parser-modules/tika-parser-microsoft-module/src/test/resources/test-documents/testPST.pst differ

TIKA-3004: update test to search for attached mail body