Updated test cases documentation

docs/test_cases/t20014.md

@@ -20,29 +20,6 @@ diagrams:
       - function: "clanguml::t20014::tmain()"
 ```
 ## Source code
-File t20014_b.cc
-```cpp
-#include "include/t20014_b.h"
-namespace clanguml {
-namespace t20014 {
-
-int B::b1(int i, int j) { return a_.a1(i, j); }
-
-int B::b2(int i, int j) { return a_.a2(i, j); }
-
-}
-}
-```
-File t20014_c.cc
-```cpp
-#include "include/t20014_c.h"
-
-namespace clanguml {
-namespace t20014 {
-
-}
-}
-```
 File t20014.cc
 ```cpp
 #include "include/t20014.h"
@@ -79,6 +56,29 @@ int A::a1(int i, int j) { return i + j; }
 
 int A::a2(int i, int j) { return i - j; }
 
+}
+}
+```
+File t20014_b.cc
+```cpp
+#include "include/t20014_b.h"
+namespace clanguml {
+namespace t20014 {
+
+int B::b1(int i, int j) { return a_.a1(i, j); }
+
+int B::b2(int i, int j) { return a_.a2(i, j); }
+
+}
+}
+```
+File t20014_c.cc
+```cpp
+#include "include/t20014_c.h"
+
+namespace clanguml {
+namespace t20014 {
+
 }
 }
 ```