DAOS-16810 test: update fio tests with unique dfuse dir

Update fio tests to use unique dfuse mount directory by letting the framework generate one.

Skip-unit-tests: true
Skip-fault-injection-test: true

Required-githooks: true

Signed-off-by: Dalton Bohning <dalton.bohning@intel.com>

src/tests/ftest/dfuse/fio_pil4dfs_small.yaml

@@ -46,7 +46,6 @@ fio:
     - global
     - test
   global:
-    directory: "/tmp/daos_dfuse"
     ioengine: 'sync'
     thread: 1
     group_reporting: 1
@@ -71,6 +70,5 @@ fio:
   test:
     numjobs: 1
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   thread_count: 8
   cores: '0-3'

src/tests/ftest/dfuse/fio_small.yaml

@@ -46,7 +46,6 @@ fio:
     - global
     - test
   global:
-    directory: "/tmp/daos_dfuse"
     ioengine: 'libaio'
     thread: 1
     group_reporting: 1
@@ -71,7 +70,6 @@ fio:
   test:
     numjobs: 1
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   thread_count: 8
   eq_count: 2
   cores: '0-3'

src/tests/ftest/erasurecode/rebuild_fio.yaml

@@ -53,7 +53,6 @@ fio:
   api: POSIX
   test:
     numjobs: 10
-    directory: "/tmp/daos_dfuse"
     verify: 'crc32'
     verify_pattern: '0xabcdabcd'
     do_verify: 1
@@ -67,5 +66,4 @@ fio:
         rw: 'randrw'
         rw_read: 'randrw'
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   disable_caching: True

src/tests/ftest/erasurecode/truncate.yaml

@@ -45,7 +45,6 @@ fio:
   names:
     - test
   test:
-    directory: "/tmp/daos_dfuse"
     verify: 'crc32'
     verify_pattern: '0xabcdabcd'
     do_verify: 1
@@ -55,7 +54,6 @@ fio:
       rw: 'write'
   truncate_size: '26214400'  # 25Mb
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   caching: !mux
     disable:
       disable_caching: true

src/tests/ftest/fault_injection/ec.yaml

@@ -51,7 +51,6 @@ fio:
     - global
     - test
   global:
-    directory: "/tmp/daos_dfuse"
     thread: 1
     group_reporting: 1
     direct: 1
@@ -62,8 +61,6 @@ fio:
     rw: 'rw'
   test:
     numjobs: 1
-dfuse:
-  mount_dir: "/tmp/daos_dfuse"
 faults:
   fault_list:
     - DAOS_CSUM_CORRUPT_FETCH