Comply to the new rules

js/tests/unit/collapse.js

@@ -31,8 +31,8 @@ $(function () {
     $el.bootstrapCollapse()
     try {
       $el.bootstrapCollapse('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -457,7 +457,7 @@ $(function () {
         '<div class="card"/>' +
         '</div>'
     var showFired = false
-    var $groups   = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
+    var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
 
     var $target1 = $('<a role="button" data-toggle="collapse" href="#body1"/>').appendTo($groups.eq(0))
 
@@ -468,7 +468,7 @@ $(function () {
       })
 
     var $target2 = $('<a role="button" data-toggle="collapse" href="#body2"/>').appendTo($groups.eq(1))
-    var $body2   = $('<div id="body2" class="collapse" data-parent="#accordion"/>').appendTo($groups.eq(1))
+    var $body2 = $('<div id="body2" class="collapse" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
     $target2.trigger('click')
 
@@ -604,8 +604,8 @@ $(function () {
     var $collapseTwoOne = $('#collapseTwoOne')
     var $collapseTwoTwo = $('#collapseTwoTwo')
     var collapsedElements = {
-      one : false,
-      two : false
+      one: false,
+      two: false
     }
 
     function firstTest() {
@@ -830,7 +830,7 @@ $(function () {
         parent: $('.my-collapse')
       })
       assert.ok(true, 'collapse correctly created')
-    } catch (err) {
+    } catch (_) {
       assert.ok(false, 'collapse not created')
     }
   })
@@ -851,7 +851,7 @@ $(function () {
         parent: $('.my-collapse')[0]
       })
       assert.ok(true, 'collapse correctly created')
-    } catch (err) {
+    } catch (_) {
       assert.ok(false, 'collapse not created')
     }
   })