diff --git a/pyproject.toml b/pyproject.toml
index 618d1b3f..2e6db42e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -121,7 +121,7 @@ PYDEVD_DISABLE_FILE_VALIDATION = "1"
 # Uses PYTEST_MARKERS env var for default markers
 # For custom markers, one can either adjust the env var or just use -m option in the command line,
 # as the second -m option will override the first one.
-test = "pytest test -vv -m \"${PYTEST_MARKERS:-not rust and not erlang}\""
+test = "pytest test -vv"
 _black_check = "black --check src scripts test"
 _ruff_check = "ruff check src scripts test"
 _black_format = "black src scripts test"
diff --git a/test/conftest.py b/test/conftest.py
index f28a0415..d8d733ef 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -15,6 +15,8 @@ from solidlsp.ls import SolidLanguageServer
 from solidlsp.ls_config import Language, LanguageServerConfig
 from solidlsp.settings import SolidLSPSettings
 
+from .solidlsp.clojure import is_clojure_cli_available
+
 configure(level=logging.ERROR)
 
 log = logging.getLogger(__name__)
@@ -171,6 +173,51 @@ def project(request: LanguageParamRequest):
 
 
 is_ci = os.getenv("CI") == "true" or os.getenv("GITHUB_ACTIONS") == "true"
+"""
+Flag indicating whether the tests are running in the GitHub CI environment.
+"""
 
-# We skip Java tests in CI if not on Windows (hangs on Ubuntu for unknown reasons; testing on Windows is sufficient)
-java_tests_enabled = not is_ci or platform.system() == "Windows"
+
+def _determine_disabled_languages() -> list[Language]:
+    """
+    Determine which language tests should be disabled (based on the environment)
+
+    :return: the list of disabled languages
+    """
+    result: list[Language] = []
+
+    # We skip Java tests in CI if not on Windows (hangs on Ubuntu for unknown reasons; testing on Windows is sufficient)
+    java_tests_enabled = not is_ci or platform.system() == "Windows"
+    if not java_tests_enabled:
+        result.append(Language.JAVA)
+
+    clojure_tests_enabled = not is_ci and is_clojure_cli_available()
+    if not clojure_tests_enabled:
+        result.append(Language.CLOJURE)
+
+    al_tests_enabled = not is_ci
+    if not al_tests_enabled:
+        result.append(Language.AL)
+
+    rust_tests_enabled = not is_ci
+    if not rust_tests_enabled:
+        result.append(Language.RUST)
+
+    erlang_tests_enabled = not is_ci
+    if not erlang_tests_enabled:
+        result.append(Language.ERLANG)
+
+    return result
+
+
+_disabled_languages = _determine_disabled_languages()
+
+
+def language_tests_enabled(language: Language) -> bool:
+    """
+    Check if tests for the given language are enabled in the current environment.
+
+    :param language: the language to check
+    :return: True if tests for the language are enabled, False otherwise
+    """
+    return language not in _disabled_languages
diff --git a/test/serena/test_serena_agent.py b/test/serena/test_serena_agent.py
index 74465f46..30d4cb4b 100644
--- a/test/serena/test_serena_agent.py
+++ b/test/serena/test_serena_agent.py
@@ -5,13 +5,13 @@ import time
 
 import pytest
 
-import test.solidlsp.clojure as clj
 from serena.agent import SerenaAgent
 from serena.config.serena_config import ProjectConfig, RegisteredProject, SerenaConfig
 from serena.project import Project
 from serena.tools import FindReferencingSymbolsTool, FindSymbolTool
 from solidlsp.ls_config import Language
-from test.conftest import get_repo_path, java_tests_enabled
+from test.conftest import get_repo_path, language_tests_enabled
+from test.solidlsp import clojure as clj
 
 
 @pytest.fixture
@@ -56,8 +56,8 @@ def serena_config():
 @pytest.fixture
 def serena_agent(request: pytest.FixtureRequest, serena_config):
     language = Language(request.param)
-    if language == Language.JAVA and not java_tests_enabled:
-        pytest.skip("Java tests are not enabled")
+    if not language_tests_enabled(language):
+        pytest.skip(f"Tests for language {language} are not enabled.")
 
     project_name = f"test_repo_{language}"
 
@@ -75,13 +75,7 @@ class TestSerenaAgent:
             pytest.param(Language.RUST, "add", "Function", "lib.rs", marks=pytest.mark.rust),
             pytest.param(Language.TYPESCRIPT, "DemoClass", "Class", "index.ts", marks=pytest.mark.typescript),
             pytest.param(Language.PHP, "helperFunction", "Function", "helper.php", marks=pytest.mark.php),
-            pytest.param(
-                Language.CLOJURE,
-                "greet",
-                "Function",
-                clj.CORE_PATH,
-                marks=[pytest.mark.clojure, pytest.mark.skipif(clj.CLI_FAIL, reason=f"Clojure CLI not available: {clj.CLI_FAIL}")],
-            ),
+            pytest.param(Language.CLOJURE, "greet", "Function", clj.CORE_PATH, marks=pytest.mark.clojure),
             pytest.param(Language.CSHARP, "Calculator", "Class", "Program.cs", marks=pytest.mark.csharp),
         ],
         indirect=["serena_agent"],
@@ -130,7 +124,7 @@ class TestSerenaAgent:
                 "multiply",
                 clj.CORE_PATH,
                 clj.UTILS_PATH,
-                marks=[pytest.mark.clojure, pytest.mark.skipif(clj.CLI_FAIL, reason=f"Clojure CLI not available: {clj.CLI_FAIL}")],
+                marks=pytest.mark.clojure,
             ),
             pytest.param(Language.CSHARP, "Calculator", "Program.cs", "Program.cs", marks=pytest.mark.csharp),
         ],
diff --git a/test/solidlsp/al/test_al_basic.py b/test/solidlsp/al/test_al_basic.py
index 86620bc5..8b4fb7a7 100644
--- a/test/solidlsp/al/test_al_basic.py
+++ b/test/solidlsp/al/test_al_basic.py
@@ -5,9 +5,9 @@ import pytest
 from solidlsp import SolidLanguageServer
 from solidlsp.ls_config import Language
 from solidlsp.ls_utils import SymbolUtils
-from test.conftest import is_ci
+from test.conftest import language_tests_enabled
 
-pytestmark = [pytest.mark.al, pytest.mark.skipif(not is_ci, reason="AL tests are not run in CI, because they are unstable locally")]
+pytestmark = [pytest.mark.al, pytest.mark.skipif(not language_tests_enabled(Language.AL), reason="AL tests are disabled")]
 
 
 @pytest.mark.al
diff --git a/test/solidlsp/clojure/__init__.py b/test/solidlsp/clojure/__init__.py
index be945a53..f7d9dad6 100644
--- a/test/solidlsp/clojure/__init__.py
+++ b/test/solidlsp/clojure/__init__.py
@@ -15,3 +15,7 @@ CLI_FAIL = _test_clojure_cli()
 TEST_APP_PATH = Path("src") / "test_app"
 CORE_PATH = str(TEST_APP_PATH / "core.clj")
 UTILS_PATH = str(TEST_APP_PATH / "utils.clj")
+
+
+def is_clojure_cli_available() -> bool:
+    return not CLI_FAIL
diff --git a/test/solidlsp/clojure/test_clojure_basic.py b/test/solidlsp/clojure/test_clojure_basic.py
index c4037e54..ea135199 100644
--- a/test/solidlsp/clojure/test_clojure_basic.py
+++ b/test/solidlsp/clojure/test_clojure_basic.py
@@ -4,12 +4,13 @@ from serena.project import Project
 from solidlsp.ls import SolidLanguageServer
 from solidlsp.ls_config import Language
 from solidlsp.ls_types import UnifiedSymbolInformation
+from test.conftest import language_tests_enabled
 
-from . import CLI_FAIL, CORE_PATH, UTILS_PATH
+from . import CORE_PATH, UTILS_PATH
 
 
 @pytest.mark.clojure
-@pytest.mark.skipif(CLI_FAIL, reason=f"Clojure CLI not available: {CLI_FAIL}")
+@pytest.mark.skipif(not language_tests_enabled(Language.CLOJURE), reason="Clojure tests are disabled")
 class TestLanguageServerBasics:
     @pytest.mark.parametrize("language_server", [Language.CLOJURE], indirect=True)
     def test_basic_definition(self, language_server: SolidLanguageServer):
diff --git a/test/solidlsp/java/test_java_basic.py b/test/solidlsp/java/test_java_basic.py
index 7807bf6e..57642bbe 100644
--- a/test/solidlsp/java/test_java_basic.py
+++ b/test/solidlsp/java/test_java_basic.py
@@ -5,9 +5,9 @@ import pytest
 from solidlsp import SolidLanguageServer
 from solidlsp.ls_config import Language
 from solidlsp.ls_utils import SymbolUtils
-from test.conftest import java_tests_enabled
+from test.conftest import language_tests_enabled
 
-pytestmark = [pytest.mark.java, pytest.mark.skipif(not java_tests_enabled, reason="Java tests are only run on Windows in CI")]
+pytestmark = [pytest.mark.java, pytest.mark.skipif(not language_tests_enabled(Language.JAVA), reason="Java tests disabled")]
 
 
 class TestJavaLanguageServer: