Fix sheet tests

Author: ry5n

src/components/Sheet/README.md

@@ -193,7 +193,7 @@ class SheetExample extends React.Component {
                       borderBottom: '1px solid #DFE3E8',
                       display: 'flex',
                       justifyContent: 'space-between',
-                      padding: '1.6rem',
+                      padding: '16px',
                       width: '100%',
                     }}
                   >
@@ -205,7 +205,7 @@ class SheetExample extends React.Component {
                       plain
                     />
                   </div>
-                  <Scrollable style={{padding: '1.6rem', height: '100%'}}>
+                  <Scrollable style={{padding: '16px', height: '100%'}}>
                     <ChoiceList
                       name="salesChannelsList"
                       choices={salesChannels}
@@ -220,7 +220,7 @@ class SheetExample extends React.Component {
                       borderTop: '1px solid #DFE3E8',
                       display: 'flex',
                       justifyContent: 'space-between',
-                      padding: '1.6rem',
+                      padding: '16px',
                       width: '100%',
                     }}
                   >