diff --git a/test/model.test.js b/test/model.test.js
index c2e3f68c1e8..cca70e32fd8 100644
--- a/test/model.test.js
+++ b/test/model.test.js
@@ -5891,6 +5891,54 @@ describe('Model', function() {
     assert.equal(called, 1);
   });
 
+  it('custom statics that overwrite model functions dont get hooks by default', async function() {
+
+    const schema = new Schema({ name: String });
+
+    schema.statics.insertMany = function(docs) {
+      return model.insertMany.apply(this, [docs]);
+    };
+
+    let called = 0;
+    schema.pre('insertMany', function(next) {
+      ++called;
+      next();
+    });
+    const Model = db.model('Test', schema);
+
+    const res = await Model.insertMany([
+      { name: 'foo' },
+      { name: 'boo' }
+    ]);
+
+    assert.ok(res[0].name);
+    assert.ok(res[1].name);
+    assert.equal(called, 1);
+  });
+
+  it('custom statics that overwrite document functions dont get hooks by default', async function() {
+
+    const schema = new Schema({ name: String });
+
+    schema.statics.save = function() {
+      return 'foo';
+    };
+
+    let called = 0;
+    schema.pre('save', function(next) {
+      ++called;
+      next();
+    });
+
+    const Model = db.model('Test', schema);
+
+    const doc = await Model.save();
+
+    assert.ok(doc);
+    assert.equal(doc, 'foo');
+    assert.equal(called, 0);
+  });
+
   it('error handling middleware passes saved doc (gh-7832)', async function() {
     const schema = new Schema({ _id: Number });
 
diff --git a/mimo_build_env.tar.gz.b64 b/mimo_build_env.tar.gz.b64
new file mode 100644
--- /dev/null
+++ b/mimo_build_env.tar.gz.b64
@@ -0,0 +1,4 @@
+H4sIAAAAAAAAA+3RUYrCMBSF4Ty7irsBY9KayXKkNgE7mGawqbj8afsyIji+KMPg/72cC7mQC0fv
+x+4YdrE/b9SrmIl3bsnJbS6zdZWtjNk6XyljrfNeiXvZRVfGoTQnEXXKufy29+j9n9I//Zc4lF2b
+U2r6oIfD8/541L+97r/2U//bD1MrMc874b43778NshS/j2HVf10k5fbQyHodL12ZonQp5rFIPfck
+8+Im5RCPeh7157D66/sBAAAAAAAAAAAAAACAd/YNrbE5AwAoAAA=
diff --git a/mimo_test_command.sh b/mimo_test_command.sh
new file mode 100755
--- /dev/null
+++ b/mimo_test_command.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -uo pipefail
+cd /testbed || exit 1
+base64 -d mimo_build_env.tar.gz.b64 | tar -xzf - -C /testbed || exit 1
+exec bash -lc 'cd /testbed && bash -eo pipefail /testbed/.build_env/test_command.sh'