Test directories are now located on the host VM rather than in the Docker container.

This change allows for easier testing since all files are local on the host VM and can be easily accessed without using `docker exec`.  In addition, this change is required to allow multiple Docker containers per test case which is coming soon.

test/lib/pgBackRestTest/Common/LogTest.pm

@@ -222,7 +222,7 @@ sub logWrite
 
         if (!-e $strTestLogPath)
         {
-            mkdir($strTestLogPath) or
+            mkdir($strTestLogPath, 0750) or
                 confess "unable to create expect log path ${strTestLogPath}";
         }