<tr class={{trClass}}>
    {{#each columnsArray as |columns| }}
        <th class="{{thClass}}" >
            {{#each columns as |column|}}
                {{#if hasBlock}}
                    {{yield (hash
                      name=column.name
                      sortable=column.sortable
                      sortingOrder=(simple-table-sorting-class sortingCriteria column.key)
                      sortAction=(action "sortBy" column.key)
                      )}}
                {{else}}
                    <div class="th-inner">
                        {{#if column.sortable}}
                            <span class="sortable {{simple-table-sorting-class sortingCriteria column.key}}"
                                  onclick={{action 'sortBy' column.key}}>
                                {{column.name}} <i class="sort-arrow"></i>
                            </span>
                        {{else}}
                            <span> {{column.name}} </span>
                        {{/if}}
                    </div>
                {{/if}}
            {{/each}}
        </th>
    {{/each}}
</tr>

<tr class={{trClass}}>
    {{#each columnsArray as |columns| }}
        <th class="{{thClass}}" >
            <div class="th-inner">
                {{#each columns as |column|}}
                    {{#if hasBlock}}
                        {{yield (hash
                          name=column.name
                          sortable=column.sortable
                          sortingOrder=(simple-table-sorting-class sortingCriteria column.key)
                          sortAction=(action "sortBy" column.key)
                          )}}
                    {{else}}
                        {{#if column.sortable}}
                            <span class="sortable {{simple-table-sorting-class sortingCriteria column.key}}"
                                  onclick={{action 'sortBy' column.key}}>
                                {{column.name}} <i class="sort-arrow"></i>
                            </span>
                        {{else}}
                            <span> {{column.name}} </span>
                        {{/if}}
                    {{/if}}
                {{/each}}
            </div>
        </th>
    {{/each}}
</tr>

Fix mess up with wrapper div
Fix mess up with wrapper div
