mrtest: Ignore attr-defined for mrtest-module functions

mypy cannot find these as they're defined in __init__.py:

$ mypy mrtest.py mrhlpr.py --check-untyped-defs
mrtest/zap_packages.py:36: error: Module has no attribute "is_root_user"  [attr-defined]
mrtest/zap_packages.py:37: error: Module has no attribute "get_sudo"  [attr-defined]
mrtest/add_packages.py:60: error: Module has no attribute "get_virtual_group"  [attr-defined]
mrtest/add_packages.py:63: error: Module has no attribute "is_root_user"  [attr-defined]
mrtest/add_packages.py:64: error: Module has no attribute "get_sudo"  [attr-defined]

mrtest/add_packages.py

@@ -57,11 +57,11 @@ def run_apk_add(origin, mr_id, apk_paths):
         "add",
         "-u",
         "--virtual",
-        mrtest.get_virtual_group(origin, mr_id),
+        mrtest.get_virtual_group(origin, mr_id),  # type: ignore[attr-defined]
         "--allow-untrusted",
     ] + apk_paths
-    if not mrtest.is_root_user():
-        cmd = [mrtest.get_sudo()] + cmd
+    if not mrtest.is_root_user():  # type: ignore[attr-defined]
+        cmd = [mrtest.get_sudo()] + cmd  # type: ignore[attr-defined]
 
     print("Installing packages...")
     logging.debug(f"+ {cmd}")

mrtest/zap_packages.py

@@ -33,8 +33,8 @@ def remove_virtual():
         exit(1)
 
     cmd = ["apk", "del"] + virtual
-    if not mrtest.is_root_user():
-        cmd = [mrtest.get_sudo()] + cmd
+    if not mrtest.is_root_user():  # type: ignore[attr-defined]
+        cmd = [mrtest.get_sudo()] + cmd  # type: ignore[attr-defined]
 
     print("Removing packages...")
     logging.debug(f"+ {cmd}")