Updated test cases documentation

docs/test_cases/t20026.md

@@ -1,18 +1,15 @@
 # t20026 - Virtual method call sequence diagram test case
 ## Config
 ```yaml
-compilation_database_dir: ..
-output_directory: diagrams
 diagrams:
   t20026_sequence:
     type: sequence
     glob:
-      - ../../tests/t20026/t20026.cc
+      - t20026.cc
     include:
       namespaces:
         - clanguml::t20026
-    using_namespace:
-      - clanguml::t20026
+    using_namespace: clanguml::t20026
     from:
       - function: "clanguml::t20026::tmain()"
 ```
@@ -53,11 +50,6 @@ int tmain()
 ```json
 {
   "diagram_type": "sequence",
-  "metadata": {
-    "clang_uml_version": "0.4.1-11-g39d3e1f",
-    "llvm_version": "Ubuntu clang version 16.0.6 (++20230710042027+7cbf1a259152-1~exp1~20230710162048.105)",
-    "schema_version": 1
-  },
   "name": "t20026_sequence",
   "participants": [
     {
@@ -65,9 +57,9 @@ int tmain()
       "name": "clanguml::t20026::tmain()",
       "source_location": {
         "column": 5,
-        "file": "../../tests/t20026/t20026.cc",
+        "file": "t20026.cc",
         "line": 16,
-        "translation_unit": "../../tests/t20026/t20026.cc"
+        "translation_unit": "t20026.cc"
       },
       "type": "function"
     },
@@ -76,9 +68,9 @@ int tmain()
       "name": "clanguml::t20026::A",
       "source_location": {
         "column": 8,
-        "file": "../../tests/t20026/t20026.cc",
+        "file": "t20026.cc",
         "line": 4,
-        "translation_unit": "../../tests/t20026/t20026.cc"
+        "translation_unit": "t20026.cc"
       },
       "type": "class"
     }
@@ -98,9 +90,9 @@ int tmain()
           "scope": "normal",
           "source_location": {
             "column": 5,
-            "file": "../../tests/t20026/t20026.cc",
+            "file": "t20026.cc",
             "line": 20,
-            "translation_unit": "../../tests/t20026/t20026.cc"
+            "translation_unit": "t20026.cc"
           },
           "to": {
             "activity_id": "600590770418147864",