feat: add util to run-and-get watch proc

Author: hemal7735

test/testUtils.js

@@ -59,6 +59,20 @@ function runWatch(testCase, args = []) {
 });
 }
 
+functionrunAndGetWatchProc(testCase,args=[]){
+constcwd=path.resolve(testCase);
+
+constoutputPath=path.resolve(testCase,"bin");
+constargsWithOutput=args.concat("--output-path",outputPath);
+
+constwebpackProc=execa(WEBPACK_PATH,argsWithOutput,{
+ cwd,
+reject: false
+});
+
+returnwebpackProc;
+}
+
 functionextractSummary(stdout){
 if(stdout===""){
 return"";
@@ -167,4 +181,4 @@ function appendDataIfFileExists(testCase, file, data) {
 }
 }
 
-module.exports={ run, runWatch, extractHash, extractSummary, appendDataIfFileExists };
+module.exports={ run, runWatch,runAndGetWatchProc,extractHash, extractSummary, appendDataIfFileExists };