Reorganise tests

Make the titles of test pages more suggestive.
Refactor the documentation of the tests.

docs/tests/navigation/order/default/10.md

@@ -2,7 +2,7 @@
 layout: default
 title: "10"
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ---
 
 # 10
@@ -10,5 +10,5 @@ grand_parent: Order
 ```yaml
 title: "10"
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ```

docs/tests/navigation/order/default/2.md

@@ -2,7 +2,7 @@
 layout: default
 title: "2"
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ---
 
 # 2
@@ -10,5 +10,5 @@ grand_parent: Order
 ```yaml
 title: "2"
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ```

docs/tests/navigation/order/default/a.md

@@ -2,7 +2,7 @@
 layout: default
 title: A
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ---
 
 # A
@@ -10,5 +10,5 @@ grand_parent: Order
 ```yaml
 title: A
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ```

docs/tests/navigation/order/default/aa-lower.md

@@ -2,7 +2,7 @@
 layout: default
 title: aa
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ---
 
 # aa
@@ -10,5 +10,5 @@ grand_parent: Order
 ```yaml
 title: aa
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ```

docs/tests/navigation/order/default/aa.md

@@ -2,7 +2,7 @@
 layout: default
 title: Aa
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ---
 
 # Aa
@@ -10,5 +10,5 @@ grand_parent: Order
 ```yaml
 title: Aa
 parent: Default
-grand_parent: Order
+grand_parent: Tests for order
 ```

docs/tests/navigation/order/default/index.md

@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Default
-parent: Tests for navigation order
+parent: Tests for order
 nav_order: 1
 has_children: true
 ---