tests: settings: Update test project structures

Update the structure to reduce redundancies with additional config
files needed for native_posix platforms that replicate most of the
same config values.

Signed-off-by: Yuval Peress <[email protected]>

Author: Yuval Peress

tests/subsys/settings/fcb/raw/prj.conf

@@ -1,9 +1,7 @@
 CONFIG_ZTEST=y
-CONFIG_STDOUT_CONSOLE=y
 CONFIG_FLASH=y
 CONFIG_FLASH_PAGE_LAYOUT=y
 CONFIG_FLASH_MAP=y
-CONFIG_ARM_MPU=n
 CONFIG_FCB=y
 
 CONFIG_SETTINGS=y

tests/subsys/settings/fcb/raw/prj_native_posix.conf

@@ -1,4 +1,10 @@
 tests:
   system.settings.fcb.raw:
-    platform_allow: nrf52840dk_nrf52840 nrf52dk_nrf52832 native_posix native_posix_64
+    platform_allow: nrf52840dk_nrf52840 nrf52dk_nrf52832
+    tags: settings_fcb
+    extra_configs:
+    - CONFIG_ARM_MPU=n
+    - CONFIG_STDOUT_CONSOLE=y
+  system.settings.fcb.raw_native_posix:
+    platform_allow: native_posix native_posix_64
     tags: settings_fcb

tests/subsys/settings/fcb/raw/prj_native_posix_64.conf

@@ -2,11 +2,9 @@
 # Copyright (c) 2019 Nordic Semiconductor ASA
 
 CONFIG_ZTEST=y
-CONFIG_STDOUT_CONSOLE=y
 CONFIG_FLASH=y
 CONFIG_FLASH_PAGE_LAYOUT=y
 CONFIG_FLASH_MAP=y
-CONFIG_ARM_MPU=n
 
 CONFIG_ZTEST_STACKSIZE=2048
 CONFIG_MAIN_STACK_SIZE=1024

tests/subsys/settings/fcb/raw/testcase.yaml

@@ -3,5 +3,11 @@
 
 tests:
   system.settings.littlefs.base64:
-    platform_allow: nrf52840dk_nrf52840 native_posix native_posix_64
+    platform_allow: nrf52840dk_nrf52840
+    tags: settings_fs filesystem
+    extra_configs:
+    - CONFIG_STDOUT_CONSOLE=y
+    - CONFIG_ARM_MPU=n
+  system.settings.littlefs.base64_native_posix:
+    platform_allow: native_posix native_posix_64
     tags: settings_fs filesystem

tests/subsys/settings/littlefs/base64/prj.conf

@@ -2,11 +2,9 @@
 # Copyright (c) 2019 Nordic Semiconductor ASA
 
 CONFIG_ZTEST=y
-CONFIG_STDOUT_CONSOLE=y
 CONFIG_FLASH=y
 CONFIG_FLASH_PAGE_LAYOUT=y
 CONFIG_FLASH_MAP=y
-CONFIG_ARM_MPU=n
 
 CONFIG_ZTEST_STACKSIZE=2048
 CONFIG_MAIN_STACK_SIZE=1024