Remove mbed framework from several tests

tests/commands/test_check.py

@@ -412,7 +412,7 @@ int main() {
 """
     )
 
-    frameworks = ["arduino", "mbed", "stm32cube"]
+    frameworks = ["arduino", "stm32cube"]
     if sys.version_info[0] == 3:
         # Zephyr only supports Python 3
         frameworks.append("zephyr")

tests/commands/test_test.py

@@ -45,7 +45,7 @@ def test_multiple_env_build(clirunner, validate_cliresult, isolated_pio_core, tm
         """
 [env:teensy31]
 platform = teensy
-framework = mbed
+framework = arduino
 board = teensy31
 
 [env:native]