SquishTests: Add function for finding elements of project tree

Change-Id: I08c3c22a404d2b58bdb1205f22e5cf937c6027b0
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

tests/system/shared/project_explorer.py

@@ -96,13 +96,30 @@ def getExecutableAndTargetFromToolTip(toolTip):
         return None, target
     return exe.group(1).strip(), target
 
-def invokeContextMenuOnProject(projectName, menuItem):
+
+# treeElement is the dot-separated tree to the wanted element, e.g.
+# root.first.second.leaf
+def waitForProjectTreeItem(treeElement, timeoutMSec):
+    projectTV = ":Qt Creator_Utils::NavigationTreeView"
+    projItem = None
+    treeElementWithBranch = addBranchWildcardToRoot(treeElement)
+    for _ in range(timeoutMSec / 200):
         try:
-        projItem = waitForObjectItem(":Qt Creator_Utils::NavigationTreeView", projectName, 3000)
+            projItem = waitForObjectItem(projectTV, treeElement, 100)
         except:
             try:
-            projItem = waitForObjectItem(":Qt Creator_Utils::NavigationTreeView",
-                                         addBranchWildcardToRoot(projectName), 1000)
+                projItem = waitForObjectItem(projectTV, treeElementWithBranch, 100)
+            except:
+                pass
+        if projItem:
+            return projItem
+    raise LookupError("Could not find project tree element: %s or %s"
+                      % (treeElement, treeElementWithBranch))
+
+
+def invokeContextMenuOnProject(projectName, menuItem):
+    try:
+        projItem = waitForProjectTreeItem(projectName, 4000)
     except:
         test.fatal("Failed to find root node of the project '%s'." % projectName)
         return

tests/system/suite_QMLS/tst_QMLS04/test.py

@@ -41,10 +41,9 @@ def main():
     # there should be new QML file generated with name "MyComponent.qml"
     try:
         # openDocument() doesn't wait for expected elements, so it might be faster than the updates
-        # to the tree. Explicitly wait here to avoid timing issues. Using wFOI() instead of
+        # to the tree. Explicitly wait here to avoid timing issues. Using wFPTI() instead of
         # snooze() allows to proceed earlier, just in case it can find the item.
-        waitForObjectItem(":Qt Creator_Utils::NavigationTreeView",
-                          addBranchWildcardToRoot(myCompTE), 2000)
+        waitForProjectTreeItem(myCompTE, 2000)
     except:
         pass
     # open MyComponent.qml file for verification