test: Add more cases for the man page check

Author: danigm

test/mockdata/mock_files.py

@@ -222,8 +222,16 @@
 Pip3ManPagesPackage = get_tested_mock_package(
     lazyload=True,
     files={
+        '/usr/bin/pip': {'content': '', 'metadata': {'mode': 0o755 | stat.S_IFREG}},
+        '/usr/bin/pip3': {'content': '', 'metadata': {'mode': 0o755 | stat.S_IFREG}},
+        '/usr/bin/pip3.13': {'content': '', 'metadata': {'mode': 0o755 | stat.S_IFREG}},
+        '/usr/bin/pip3.13.3': {'content': '', 'metadata': {'mode': 0o755 | stat.S_IFREG}},
         '/usr/bin/pip3.14': {'content': '', 'metadata': {'mode': 0o755 | stat.S_IFREG}},
         '/usr/bin/pip-3.14': {'content': '', 'metadata': {'mode': 0o755 | stat.S_IFREG}},
+        '/usr/share/man/man1/pip.2': {'content': 'text'},
+        '/usr/share/man/man1/pip3.1posix': {'content': 'text'},
+        '/usr/share/man/man1/pip3.13.1': {'content': 'text'},
+        '/usr/share/man/man1/pip3.13.3.1posix.xz': {'content': 'xz'},
         '/usr/share/man/man1/pip3.14.1.gz': {'content': 'gz'},
         '/usr/share/man/man1/pip-3.14.1.gz': {'content': 'gz'},
     },