rename system and script languages to unsupported / unsupported_script

tests/languages/system_test.py

@@ -1,9 +0,0 @@
-from __future__ import annotations
-
-from pre_commit.languages import system
-from testing.language_helpers import run_language
-
-
-def test_system_language(tmp_path):
-    expected = (0, b'hello hello world\n')
-    assert run_language(tmp_path, system, 'echo hello hello world') == expected

tests/languages/unsupported_script_test.py

@@ -1,14 +1,14 @@
 from __future__ import annotations
 
-from pre_commit.languages import script
+from pre_commit.languages import unsupported_script
 from pre_commit.util import make_executable
 from testing.language_helpers import run_language
 
 
-def test_script_language(tmp_path):
+def test_unsupported_script_language(tmp_path):
     exe = tmp_path.joinpath('main')
     exe.write_text('#!/usr/bin/env bash\necho hello hello world\n')
     make_executable(exe)
 
     expected = (0, b'hello hello world\n')
-    assert run_language(tmp_path, script, 'main') == expected
+    assert run_language(tmp_path, unsupported_script, 'main') == expected

tests/languages/unsupported_test.py

@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from pre_commit.languages import unsupported
+from testing.language_helpers import run_language
+
+
+def test_unsupported_language(tmp_path):
+    expected = (0, b'hello hello world\n')
+    ret = run_language(tmp_path, unsupported, 'echo hello hello world')
+    assert ret == expected