Updated test cases documentation

docs/test_cases/t00048.md

@@ -17,25 +17,39 @@ diagrams:
         - clanguml::t00048
 ```
 ## Source code
-File t00048.h
+File b_t00048.h
 ```cpp
+#include "t00048.h"
+
 #pragma once
 
 namespace clanguml {
 namespace t00048 {
 
-struct Base {
-    int base;
+struct B : public Base {
+    int b;
 
-    virtual void foo() = 0;
+    void foo() override;
 };
 
-template <typename T> struct BaseTemplate {
-    T base;
+template <typename T> struct BTemplate : public BaseTemplate<T> {
+    T b;
 
-    virtual void foo() = 0;
+    void foo() override { }
 };
 
+}
+}
+```
+File b_t00048.cc
+```cpp
+#include "b_t00048.h"
+
+namespace clanguml {
+namespace t00048 {
+
+void B::foo() { }
+
 }
 }
 ```
@@ -69,30 +83,6 @@ template <typename T> struct ATemplate : public BaseTemplate<T> {
     void foo() override { }
 };
 
-}
-}
-```
-File b_t00048.h
-```cpp
-#include "t00048.h"
-
-#pragma once
-
-namespace clanguml {
-namespace t00048 {
-
-struct B : public Base {
-    int b;
-
-    void foo() override;
-};
-
-template <typename T> struct BTemplate : public BaseTemplate<T> {
-    T b;
-
-    void foo() override { }
-};
-
 }
 }
 ```
@@ -108,14 +98,24 @@ void A::foo() { }
 }
 }
 ```
-File b_t00048.cc
+File t00048.h
 ```cpp
-#include "b_t00048.h"
+#pragma once
 
 namespace clanguml {
 namespace t00048 {
 
-void B::foo() { }
+struct Base {
+    int base;
+
+    virtual void foo() = 0;
+};
+
+template <typename T> struct BaseTemplate {
+    T base;
+
+    virtual void foo() = 0;
+};
 
 }
 }