SERVER-42378 Validate python environment before config expansion timeout test

2 files changed, 12 insertions, 2 deletions

diff --git a/jstests/libs/python.js b/jstests/libs/python.js
index 91a54252966..f046d4df30c 100644
--- a/jstests/libs/python.js
+++ b/jstests/libs/python.js
@@ -14,6 +14,14 @@ function getPython3Binary() {
         }
     }
 
-    assert(fileExists(cmd), "Python3 interpreter not found");
-    return cmd;
+    if (fileExists(cmd)) {
+        return cmd;
+    }
+
+    clearRawMongoProgramOutput();
+    assert.eq(runNonMongoProgram("python", "--version"), 0);
+    const pythonVersion = rawMongoProgramOutput();
+    assert(/Python 3/.exec(pythonVersion));
+
+    return "python";
 }
diff --git a/jstests/noPassthrough/configExpand_exec_timeeout.js b/jstests/noPassthrough/configExpand_exec_timeeout.js
index 7434790fc3f..1a20d6fbc63 100644
--- a/jstests/noPassthrough/configExpand_exec_timeeout.js
+++ b/jstests/noPassthrough/configExpand_exec_timeeout.js
@@ -5,6 +5,8 @@
 
     load('jstests/noPassthrough/libs/configExpand/lib.js');
 
+    assert.eq(runNonMongoProgram.apply(null, makeReflectionCmd('12345', {sleep: 0}).split(" ")), 0);
+
     // Sleep 10 seconds during request.
     configExpandSuccess({
         setParameter: {