fixed up weird karma specs with tooltip

the tooltip mixin was changed because of a weird bug where the tooltip wouldn't show. This was wrong as the bug was actually caused by the text utility method

app/assets/javascripts/issue_show/components/edit_actions.vue

@@ -48,7 +48,7 @@
       class="btn btn-save pull-left"
       :class="{ disabled: formState.updateLoading || !isSubmitEnabled }"
       type="submit"
-      :disabled="updateLoading || !isSubmitEnabled"
+      :disabled="formState.updateLoading || !isSubmitEnabled"
       @click.prevent="updateIssuable">
       Save changes
       <i

app/assets/javascripts/lib/utils/text_utility.js

@@ -170,7 +170,7 @@ gl.text.init = function(form) {
   });
 };
 gl.text.removeListeners = function(form) {
-  return $('.js-md', form).off();
+  return $('.js-md', form).off('click');
 };
 gl.text.humanize = function(string) {
   return string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);

app/assets/javascripts/vue_shared/mixins/tooltip.js

 export default {
   mounted() {
-    this.$nextTick(() => {
-      $(this.$refs.tooltip).tooltip();
-    });
+    $(this.$refs.tooltip).tooltip();
   },
 
   updated() {
-    this.$nextTick(() => {
-      $(this.$refs.tooltip).tooltip('fixTitle');
-    });
+    $(this.$refs.tooltip).tooltip('fixTitle');
   },
 
   beforeDestroy() {