diff --git a/evergreen/selinux_test_setup.sh b/evergreen/selinux_test_setup.sh
index c46a853f528..0553691a66a 100755
--- a/evergreen/selinux_test_setup.sh
+++ b/evergreen/selinux_test_setup.sh
@@ -38,3 +38,13 @@ fi
 if [ "$SEORDER" == "1" ]; then
   apply_selinux_policy
 fi
+
+# install packages needed by check_has_tag.py
+PYTHON=/opt/mongodbtoolchain/v4/bin/python3
+if [[ (-f "$PYTHON" || -L "$PYTHON") && -x "$PYTHON" ]]; then
+  echo "==== Found python3 in $PYTHON"
+  $PYTHON -m pip install pyyaml
+else
+  echo "==== Could not find $PYTHON; needed by SELinux tests"
+  exit 1
+fi
diff --git a/jstests/core/command_let_variables_expressions.js b/jstests/core/command_let_variables_expressions.js
index 200502d0eb7..53903618816 100644
--- a/jstests/core/command_let_variables_expressions.js
+++ b/jstests/core/command_let_variables_expressions.js
@@ -8,7 +8,7 @@
 // ]
 import {assertArrayEq} from "jstests/aggregation/extras/utils.js";
 
-const coll = db.getCollection('command_let_variables_expressions');
+const coll = db.getCollection(jsTestName());
 
 function setupColl() {
     coll.drop();
diff --git a/jstests/selinux/core.js b/jstests/selinux/core.js
index 51e13d2dd33..f19ecf3bcb5 100644
--- a/jstests/selinux/core.js
+++ b/jstests/selinux/core.js
@@ -1,17 +1,19 @@
 
+import {getPython3Binary} from "jstests/libs/python.js";
 import {SelinuxBaseTest} from "jstests/selinux/lib/selinux_base_test.js";
 
 export class TestDefinition extends SelinuxBaseTest {
     async run() {
-        // On RHEL7 there is no python3, but check_has_tag.py will also work with python2
-        const python = (0 == runNonMongoProgram("which", "python3")) ? "python3" : "python2";
+        const python = getPython3Binary();
 
         const dirs = ["jstests/core", "jstests/core_standalone"];
 
+        const TestData = {isHintsToQuerySettingsSuite: false};
+
         for (let dir of dirs) {
             jsTest.log("Running tests in " + dir);
 
-            const all_tests = ls(dir).filter(d => !d.endsWith("/")).sort();
+            const all_tests = ls(dir).filter(d => d.endsWith(".js")).sort();
             assert(all_tests);
             assert(all_tests.length);
 
@@ -42,9 +44,11 @@ export class TestDefinition extends SelinuxBaseTest {
                     throw ("Failure occurred while checking tags of test: " + t);
                 }
 
+                TestData.testName = t.substring(t.lastIndexOf('/') + 1, t.length - ".js".length);
+
                 jsTest.log("Running test: " + t);
                 try {
-                    let evalString = "import(" + tojson(t) + ")";
+                    let evalString = `TestData = ${tojson(TestData)}; load(${tojson(t)});`;
                     let handle = startParallelShell(evalString, db.getMongo().port);
                     let rc = handle();
                     assert.eq(rc, 0);
diff --git a/jstests/selinux/lib/selinux_base_test.js b/jstests/selinux/lib/selinux_base_test.js
index b8afaa117c9..047069c4d17 100644
--- a/jstests/selinux/lib/selinux_base_test.js
+++ b/jstests/selinux/lib/selinux_base_test.js
@@ -27,7 +27,8 @@ export class SelinuxBaseTest {
                 "timeZoneInfo": "/usr/share/zoneinfo"
             },
             "net": {"port": 27017, "bindIp": "127.0.0.1"},
-            "storage": {"dbPath": "/var/lib/mongo"}
+            "storage": {"dbPath": "/var/lib/mongo"},
+            "setParameter": {"enableTestCommands": 1}
         };
     }