Clarify/simplify some tests

editions/test/tiddlers/tests/data/transclude/CustomWidget-Simple.tid

@@ -26,7 +26,8 @@ title: TiddlerOne
 <$$mywidget one="BumbleBee">
 	Squirrel
 </$$mywidget>
+<$$mywidget/>
 +
 title: ExpectedResult
 
-<p>DingoCrocodileBumbleBeeSquirrel</p>
+<p>DingoCrocodileBumbleBeeSquirrelJaguarWhale</p>

editions/test/tiddlers/tests/data/transclude/CustomWidget-TextWidgetOverride.tid

@@ -12,20 +12,16 @@ title: Output
 title: TiddlerOne
 
 \whitespace trim
-<!-- Redefine the <$text> widget by defining a transcludable variable with that name -->
+<!-- Redefining the text widget only works when it is explicitly invoked with the <$text> syntax, and not implicitly via typed text -->
 \widget $text(text:'Jaguar')
 \whitespace trim
-<$genesis $type="$text" $remappable="no" text=<<text>>/>
+<$genesis $type="$text" $remappable="no" text={{{ [<text>addprefix[≤]addsuffix[≥]] }}}/>
-<$set name="$text" value="">
-	<$slot $name="ts-raw">
-		Whale
-	</$slot>
-</$set>
 \end
-<$text text="Dingo">
+
+<$text text="Dingo"/>
+
 Crocodile
-</$text>
 +
 title: ExpectedResult
 
-<p>DingoCrocodile</p>
+<p>≤Dingo≥≤Jaguar≥</p>

editions/test/tiddlers/tests/data/transclude/CustomWidget-TextWidgetOverrideWithSlot.tid

@@ -0,0 +1,31 @@
+title: Transclude/CustomWidget/TextWidgetOverrideWithSlot
+description: Custom widget definition redefining the text widget
+type: text/vnd.tiddlywiki-multiple
+tags: [[$:/tags/wiki-test-spec]]
+
+title: Output
+
+\whitespace trim
+<$transclude $tiddler='TiddlerOne'>
+</$transclude>
++
+title: TiddlerOne
+
+\whitespace trim
+<!-- Redefine the <$text> widget by defining a transcludable variable with that name -->
+\widget $text(text:'Jaguar')
+\whitespace trim
+<$genesis $type="$text" $remappable="no" text=<<text>>/>
+<$set name="$text" value="">
+	<$slot $name="ts-raw">
+		Whale
+	</$slot>
+</$set>
+\end
+<$text text="Dingo">
+	Crocodile
+</$text>
++
+title: ExpectedResult
+
+<p>DingoCrocodile</p>