WIP: test: rename fc-toggle-button selector in IT tests

Author: ngonzalezpazFC

src/test/java/com/flowingcode/vaadin/addons/togglebutton/it/ToggleButtonIT.java

@@ -34,7 +34,7 @@ public ToggleButtonIT() {
   }
 
   private TestBenchElement getToggle(String id) {
-    return $("toggle-button").id(id);
+    return $("fc-toggle-button").id(id);
   }
 
   @Test

src/test/java/com/flowingcode/vaadin/addons/togglebutton/it/ToggleButtonVariantsIT.java

@@ -34,7 +34,7 @@ public ToggleButtonVariantsIT() {
   }
 
   private TestBenchElement getToggle(String id) {
-    return $("toggle-button").id(id);
+    return $("fc-toggle-button").id(id);
   }
 
   // --- Color variants ---

src/test/java/com/flowingcode/vaadin/addons/togglebutton/it/ViewIT.java

@@ -57,7 +57,7 @@ protected boolean matchesSafely(TestBenchElement item, Description mismatchDescr
 
   @Test
   public void componentWorks() {
-    TestBenchElement element = $("toggle-button").first();
+    TestBenchElement element = $("fc-toggle-button").first();
     assertThat(element, hasBeenUpgradedToCustomElement);
   }
 }