tests: ztest: fix tags for testsuite and unify them

Use test_framework as unified tag so we can filter tests in a consistent
way.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

tests/ztest/base/testcase.yaml

@@ -1,21 +1,20 @@
+common:
+  tags:
+    - test_framework
 tests:
   testing.ztest.base:
-    tags: test_framework
     type: unit
   testing.ztest.base.cpp:
     extra_args: CONF_FILE=prj_cpp.conf
-    tags: test_framework
     platform_allow: native_posix
   testing.ztest.base.verbose_0:
     extra_args: CONF_FILE=prj_verbose_0.conf
-    tags: test_framework
     integration_platforms:
       - native_posix
   testing.ztest.base.verbose_0_userspace:
     filter: CONFIG_USERSPACE
     extra_args: CONF_FILE=prj_verbose_0.conf
     tags:
-      - test_framework
       - userspace
     extra_configs:
       - CONFIG_TEST_USERSPACE=y
@@ -23,11 +22,9 @@ tests:
       - native_posix
   testing.ztest.base.verbose_1:
     extra_args: CONF_FILE=prj_verbose_1.conf
-    tags: test_framework
     integration_platforms:
       - native_posix
   testing.ztest.base.verbose_2:
     extra_args: CONF_FILE=prj_verbose_2.conf
-    tags: test_framework
     integration_platforms:
       - native_posix

tests/ztest/busy_sim/testcase.yaml

@@ -1,5 +1,6 @@
 common:
-  tags: test_framework
+  tags:
+    - test_framework
   depends_on: counter
 tests:
   testing.ztest.busy_sim:

tests/ztest/error_hook/testcase.yaml

@@ -1,11 +1,12 @@
+common:
+  tags:
+    - test_framework
 tests:
   testing.ztest.error_hook:
     filter: CONFIG_ARCH_HAS_USERSPACE
     tags:
-      - test_framework
       - userspace
     ignore_faults: true
   testing.ztest.error_hook.no_userspace:
     extra_args: CONF_FILE=prj_no_userspace.conf
-    tags: test_framework
     ignore_faults: true

tests/ztest/fail/testcase.yaml

@@ -2,7 +2,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 common:
-  tags: ztest
+  tags:
+    - test_framework
   # test has dependencies on host libc
   platform_allow: native_posix
 tests:

tests/ztest/summary/testcase.yaml

@@ -1,3 +1,4 @@
 tests:
   testing.ztest.summary.shared_unit_test:
-    tags: test_framework
+    tags:
+      - test_framework

tests/ztest/zexpect/testcase.yaml

@@ -4,6 +4,8 @@
 common:
   integration_platforms:
     - native_posix
+  tags:
+    - test_framework
 tests:
   testing.ztest.expect:
     integration_platforms:

tests/ztest/ztress/testcase.yaml

@@ -1,5 +1,6 @@
 common:
-  tags: test_framework
+  tags:
+    - test_framework
   platform_type:
     - qemu
 tests: