[wasm][test] Remove wrong and unused array elements

Only the first four elements of the array will be used. Also, the fifth
element sais 'stepInfo' instead of 'stepInto'.

R=thibaudm@chromium.org

Change-Id: I258a8b95795f0cfbcaf500b7d174786680914d36
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316110Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69062}

test/inspector/debugger/wasm-step-after-trap.js

@@ -29,8 +29,7 @@ function getShortLocationString(location) {
   return `${location.lineNumber}:${location.columnNumber}`;
 }
 
-let actions =
-    ['stepInto', 'resume', 'stepInto', 'resume', 'stepInfo', 'resume'];
+let actions = ['stepInto', 'resume', 'stepInto', 'resume'];
 Protocol.Debugger.onPaused(async msg => {
   InspectorTest.log('Paused at:');
   for (let [nr, frame] of msg.params.callFrames.entries()) {
@@ -40,6 +39,10 @@ Protocol.Debugger.onPaused(async msg => {
   }
   InspectorTest.log('-------------');
   let action = actions.shift();
+  if (!action) {
+    InspectorTest.log('ERROR: no more expected action');
+    action = 'resume';
+  }
   InspectorTest.log(`-> ${action}`);
   Protocol.Debugger[action]();
 });