Apply Daniel suggestions

Author: mrclary

spyder/app/tests/test_mainwindow.py

@@ -6710,8 +6710,8 @@ def test_clickable_ipython_tracebacks(main_window, qtbot, tmp_path):
     qtbot.keyClicks(code_editor, '1/0')
 
     # Run test file
-    qtbot.mouseClick(main_window.run_button, Qt.LeftButton)
-    qtbot.wait(500)
+    with qtbot.waitSignal(shell.sig_prompt_ready):
+        qtbot.mouseClick(main_window.run_button, Qt.LeftButton)
 
     # Find last 'File' line in traceback, which corresponds to the file we
     # opened.

spyder/plugins/ipythonconsole/tests/test_ipythonconsole.py

@@ -1395,7 +1395,10 @@ def test_kernel_kill(ipyconsole, qtbot, external_interpreter):
     shell = ipyconsole.get_current_shellwidget()
 
     # Wait for the restarter to start
-    qtbot.wait(3000)
+    qtbot.waitUntil(
+        lambda: shell._prompt_html is not None, timeout=SHELL_TIMEOUT
+    )
+
     crash_string = 'import os, signal; os.kill(os.getpid(), signal.SIGTERM)'
 
     # Check only one comm is open