Minor test description and names refactor

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test/functional/tests/cli/test_cas_memory_usage.py

@@ -25,51 +25,51 @@ from test_tools.memory import disable_memory_affecting_functions, get_mem_free,
 @pytest.mark.os_dependent
 def test_insufficient_memory_for_cas_module():
     """
-    title: Negative test for the ability of CAS to load the kernel module with insufficient memory.
+    title: Load CAS kernel module with insufficient memory
     description: |
-      Check that the CAS kernel module won’t be loaded if enough memory is not available
+        Negative test for the ability to load the CAS kernel module with insufficient memory.
     pass_criteria:
-      - CAS module cannot be loaded with not enough memory.
-      - Loading CAS with not enough memory returns error.
+      - CAS kernel module cannot be loaded with not enough memory.
+      - Loading CAS kernel module with not enough memory returns error.
     """
 
     with TestRun.step("Disable caching and memory over-committing"):
         disable_memory_affecting_functions()
         drop_caches()
 
-    with TestRun.step("Measure memory usage without OpenCAS module"):
+    with TestRun.step("Measure memory usage without CAS kernel module"):
         if is_kernel_module_loaded(CasModule.cache.value):
             unload_kernel_module(CasModule.cache.value)
         available_mem_before_cas = get_mem_free()
 
-    with TestRun.step("Load CAS module"):
+    with TestRun.step("Load CAS kernel module"):
         load_kernel_module(CasModule.cache.value)
 
-    with TestRun.step("Measure memory usage with CAS module"):
+    with TestRun.step("Measure memory usage with CAS kernel module"):
         available_mem_with_cas = get_mem_free()
         memory_used_by_cas = available_mem_before_cas - available_mem_with_cas
         TestRun.LOGGER.info(
-            f"OpenCAS module uses {memory_used_by_cas.get_value(Unit.MiB):.2f} MiB of DRAM."
+            f"CAS kernel module uses {memory_used_by_cas.get_value(Unit.MiB):.2f} MiB of DRAM."
         )
 
-    with TestRun.step("Unload CAS module"):
+    with TestRun.step("Unload CAS kernel module"):
         unload_kernel_module(CasModule.cache.value)
 
     with TestRun.step("Allocate memory, leaving not enough memory for CAS module"):
         memory_to_leave = get_mem_free() - (memory_used_by_cas * (3 / 4))
         allocate_memory(memory_to_leave)
         TestRun.LOGGER.info(
-            f"Memory left for OpenCAS module: {get_mem_free().get_value(Unit.MiB):0.2f} MiB."
+            f"Memory left for CAS kernel module: {get_mem_free().get_value(Unit.MiB):0.2f} MiB."
         )
 
     with TestRun.step(
-            "Try to load OpenCAS module and check if correct error message is printed on failure"
+            "Try to load CAS kernel module and check if correct error message is printed on failure"
     ):
         output = load_kernel_module(CasModule.cache.value)
         if output.stderr and output.exit_code != 0:
-            TestRun.LOGGER.info(f"Cannot load OpenCAS module as expected.\n{output.stderr}")
+            TestRun.LOGGER.info(f"Cannot load CAS kernel module as expected.\n{output.stderr}")
         else:
-            TestRun.LOGGER.error("Loading OpenCAS module successfully finished, but should fail.")
+            TestRun.LOGGER.error("Loading CAS kernel module successfully finished, but should fail.")
 
 
 @pytest.mark.require_disk("cache", DiskTypeSet([DiskType.nand, DiskType.optane]))
@@ -118,3 +118,4 @@ def test_attach_cache_min_ram():
 
     with TestRun.step("Unlock RAM memory"):
         unmount_ramfs()
+