feat(keep-alive): keep-alive (#299)

* feat(ui): keep-alive(forever) true by default

Author: manorlh

ui/src/features/components/TestForm/index.js

@@ -215,7 +215,7 @@ export class TestForm extends React.Component {
     };
 
     initStep() {
-        return {id: uuid(), method: 'POST', headers: [{}], captures: [{}], url: ''}
+        return {id: uuid(), method: 'POST', headers: [{}], captures: [{}], url: '', forever: true}
     }
 
     onChooseScenario = (key) => {
@@ -258,10 +258,10 @@ export class TestForm extends React.Component {
         const {scenarios, currentScenarioIndex} = this.state;
         scenarios.splice(currentScenarioIndex, 1);
         let newCurrentScenarioIndex;
-        if(currentScenarioIndex===0){
-            newCurrentScenarioIndex=0;
-        }else{
-            newCurrentScenarioIndex =currentScenarioIndex-1;
+        if (currentScenarioIndex === 0) {
+            newCurrentScenarioIndex = 0;
+        } else {
+            newCurrentScenarioIndex = currentScenarioIndex - 1;
         }
         this.setState({scenarios, currentScenarioIndex: newCurrentScenarioIndex});
     };

ui/src/features/components/TestForm/requestOptions.js

@@ -31,7 +31,7 @@ export default (props) => {
             </SideLabel>
       </div>
         <div style={{display: 'flex', flexDirection: 'row', alignItems: 'center'}}>
-            <SideLabel label={'forever'}>
+            <SideLabel label={'keep-alive'}>
                 <UiSwitcher
                     onChange={(value) => {
                         onForeverToggleChanged(value)

ui/src/features/configurationColumn.js

@@ -211,8 +211,7 @@ export const getColumns = ({columnsNames, sortHeader = '', onSort, onReportView,
                 </TableHeader>
             ),
             accessor: data => statusFormatter(data.status),
-            width: mediumSize,
-            className: css['center-flex'],
+            width: mediumSize
         },
         {
             id: 'arrival_rate',