trim trailing white spaces

test-browser/commands/goToVMTraceStep.js

@@ -17,7 +17,7 @@ function goToVMtraceStep (browser, step, incr, done) {
   browser.execute(function (step) {
     return document.querySelector('#stepdetail').innerHTML
   }, [step], function (result) {
-    if (result.value.indexOf('vm trace step:\n' + step) !== -1) {
+    if (result.value.indexOf('vm trace step:' + step) !== -1 && result.value.indexOf(step) !== -1) {
       done()
     } else if (incr > 1000) {
       browser.assert.fail('goToVMtraceStep fails', 'info about error', '')

test-browser/commands/verifyCallReturnValue.js

@@ -24,7 +24,7 @@ function verifyCallReturnValue (browser, address, checks, done) {
   }, [address], function (result) {
     console.log('verifyCallReturnValue', result)
     for (var k in checks) {
-      browser.assert.equal(result.value[k], checks[k])
+      browser.assert.equal(result.value[k].trim(), checks[k].trim())
     }
     done()
   })