adds test to ensure page size option dropdown is removed is no page size option is passed in.

src/components/Lookup/Lookup.jsx

@@ -225,6 +225,7 @@ class Lookup extends React.Component {
                     page_size={page_size}
                     onSetPage={this.onSetPage}
                     pageSizeOptions={null}
+                    showPageSizeOptions={false}
                     style={paginationStyling}
                   />
                 </Fragment>

src/components/Pagination/Pagination.jsx

@@ -105,6 +105,7 @@ class Pagination extends Component {
       pageCount,
       page_size,
       pageSizeOptions,
+      showPageSizeOptions,
       style
     } = this.props;
     const { value, isOpen } = this.state;
@@ -128,7 +129,7 @@ class Pagination extends Component {
       <I18n>
         {({ i18n }) => (
           <div className="awx-pagination" style={style}>
-            {opts && (
+            {showPageSizeOptions && (
               <div className="awx-pagination__page-size-selection">
                 <Trans>Items Per Page</Trans>
                 <Dropdown
@@ -236,12 +237,14 @@ Pagination.propTypes = {
   pageCount: PropTypes.number,
   pageSizeOptions: PropTypes.arrayOf(PropTypes.number),
   page_size: PropTypes.number.isRequired,
+  showPageSizeOptions: PropTypes.bool
 };
 
 Pagination.defaultProps = {
   count: null,
   pageCount: null,
   pageSizeOptions: [5, 10, 25, 50],
+  showPageSizeOptions: true
 };
 
 export default Pagination;