test(NODE-6766): skip serverless tests (#4434)

Author: durran

.evergreen/config.yml

@@ -3720,14 +3720,6 @@ buildvariants:
       - run-custom-csfle-tests-rapid
       - run-custom-csfle-tests-latest
       - test-latest-driver-mongodb-client-encryption-6.0.0
-  - name: rhel8-test-serverless
-    display_name: Serverless Test
-    run_on: rhel80-large
-    expansions:
-      NODE_LTS_VERSION: 16
-      NPM_VERSION: 9
-    tasks:
-      - serverless_task_group
   - name: rhel8-test-gcp-kms
     display_name: GCP KMS Test
     run_on: debian11-small

.evergreen/generate_evergreen_tasks.js

@@ -806,17 +806,17 @@ BUILD_VARIANTS.push({
   tasks: customDependencyTests.map(({ name }) => name)
 });
 
-// special case for serverless testing
-BUILD_VARIANTS.push({
-  name: 'rhel8-test-serverless',
-  display_name: 'Serverless Test',
-  run_on: DEFAULT_OS,
-  expansions: {
-    NODE_LTS_VERSION: LOWEST_LTS,
-    NPM_VERSION: 9
-  },
-  tasks: ['serverless_task_group']
-});
+// TODO(NODE-6786): Reenable serverless testing.
+// BUILD_VARIANTS.push({
+//   name: 'rhel8-test-serverless',
+//   display_name: 'Serverless Test',
+//   run_on: DEFAULT_OS,
+//   expansions: {
+//     NODE_LTS_VERSION: LOWEST_LTS,
+//     NPM_VERSION: 9
+//   },
+//   tasks: ['serverless_task_group']
+// });
 
 BUILD_VARIANTS.push({
   name: 'rhel8-test-gcp-kms',