test: update snapshots

Author: woothu

src/components/Alert/tests/__snapshots__/CAlert.spec.js.snap

@@ -5,7 +5,7 @@ exports[`CAlert renders correctly 1`] = `
   appear="true"
   aria-atomic="true"
   aria-live="polite"
-  class="c-alert c-alert-dismissible c-alert-info"
+  class="c-alert c-alert-dismissible c-alert-primary"
   role="alert"
 >
   <button

src/components/Badge/tests/__snapshots__/CBadge.spec.js.snap

@@ -2,6 +2,6 @@
 
 exports[`CBadge .vue renders correctly 1`] = `
 <span
-  class="c-badge c-badge-secondary"
+  class="c-badge c-badge-primary"
 />
 `;

src/components/Button/tests/__snapshots__/CButton.spec.js.snap

@@ -2,7 +2,7 @@
 
 exports[`CButton renders correctly 1`] = `
 <button
-  class="c-btn c-btn-secondary"
+  class="c-btn c-btn-primary"
   type="button"
 />
 `;

src/components/Switch/tests/__snapshots__/CSwitch.spec.js.snap

@@ -2,7 +2,7 @@
 
 exports[`CSwitch renders correctly 1`] = `
 <label
-  class="c-switch c-form-check-label c-switch-secondary"
+  class="c-switch c-form-check-label c-switch-primary"
 >
   <input
     class="c-switch-input c-form-check-input"

src/components/Widgets/tests/__snapshots__/CWidgetBrand.spec.js.snap

@@ -63,7 +63,7 @@ exports[`CWidgetBrand matches default props snapshot 1`] = `
   class="c-card"
 >
   <div
-    class="c-card-header c-content-center c-text-white c-p-0 c-bg-undefined"
+    class="c-card-header c-content-center c-text-white c-p-0 c-bg-primary"
   />
    
   <div