Factor a couple of constants for clojure tests out

test/solidlsp/clojure/__init__.py

@@ -1,3 +1,5 @@
+from pathlib import Path
+
 from solidlsp.language_servers.clojure_lsp.clojure_lsp import verify_clojure_cli
 
 
@@ -9,4 +11,7 @@ def _test_clojure_cli() -> str | bool:
         return str(e)
 
 
-CLOJURE_CLI_FAIL = _test_clojure_cli()
+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")