[CI] Fix compute_projects.py unit tests

It seems like these tests were never run during the development of
30747cf, which proceeded to break them.
This patch updates the tests to correspond to the changes introduced in
that patch.

Author: boomanaiden154

.ci/compute_projects_test.py

@@ -147,7 +147,7 @@ def test_flang(self):
 
     def test_invalid_subproject(self):
         env_variables = compute_projects.get_env_variables(
-            [".ci/compute_projects.py"], "Linux"
+            ["third-party/benchmark/CMakeLists.txt"], "Linux"
         )
         self.assertEqual(env_variables["projects_to_build"], "")
         self.assertEqual(env_variables["project_check_targets"], "")
@@ -163,7 +163,7 @@ def test_top_level_file(self):
 
     def test_exclude_runtiems_in_projects(self):
         env_variables = compute_projects.get_env_variables(
-            [".ci/compute_projects.py", "libcxx/CMakeLists.txt"], "Linux"
+            ["libcxx/CMakeLists.txt"], "Linux"
         )
         self.assertEqual(env_variables["projects_to_build"], "")
         self.assertEqual(env_variables["project_check_targets"], "")
@@ -192,10 +192,10 @@ def test_ci(self):
         env_variables = compute_projects.get_env_variables(
             [".ci/compute_projects.py"], "Linux"
         )
-        self.assertEqual(env_variables["projects_to_build"], "clang;lld;llvm;lldb")
+        self.assertEqual(env_variables["projects_to_build"], "clang;lld;lldb;llvm")
         self.assertEqual(
             env_variables["project_check_targets"],
-            "check-clang check-lld check-llvm check-lldb",
+            "check-clang check-lld check-lldb check-llvm",
         )
         self.assertEqual(
             env_variables["runtimes_to_build"], "libcxx;libcxxabi;libunwind"