PYTHON-4905 Use shrub.py to generate load balancer tasks (mongodb#1968)

Author: blink1073

.evergreen/config.yml

@@ -1542,15 +1542,6 @@ tasks:
         - func: "run aws auth test with aws web identity credentials"
         - func: "run aws ECS auth test"
 
-    - name: load-balancer-test
-      commands:
-        - func: "bootstrap mongo-orchestration"
-          vars:
-            TOPOLOGY: "sharded_cluster"
-            LOAD_BALANCER: true
-        - func: "run load-balancer"
-        - func: "run tests"
-
     - name: "oidc-auth-test"
       commands:
       - func: "run oidc auth test with test credentials"

.evergreen/generated_configs/tasks.yml

@@ -1,4 +1,51 @@
 tasks:
+  # Load balancer tests
+  - name: test-load-balancer-auth-ssl
+    commands:
+      - func: bootstrap mongo-orchestration
+        vars:
+          TOPOLOGY: sharded_cluster
+          AUTH: auth
+          SSL: ssl
+          LOAD_BALANCER: "true"
+      - func: run load-balancer
+      - func: run tests
+        vars:
+          AUTH: auth
+          SSL: ssl
+          test_loadbalancer: "true"
+    tags: [load-balancer, auth, ssl]
+  - name: test-load-balancer-noauth-ssl
+    commands:
+      - func: bootstrap mongo-orchestration
+        vars:
+          TOPOLOGY: sharded_cluster
+          AUTH: noauth
+          SSL: ssl
+          LOAD_BALANCER: "true"
+      - func: run load-balancer
+      - func: run tests
+        vars:
+          AUTH: noauth
+          SSL: ssl
+          test_loadbalancer: "true"
+    tags: [load-balancer, noauth, ssl]
+  - name: test-load-balancer-noauth-nossl
+    commands:
+      - func: bootstrap mongo-orchestration
+        vars:
+          TOPOLOGY: sharded_cluster
+          AUTH: noauth
+          SSL: nossl
+          LOAD_BALANCER: "true"
+      - func: run load-balancer
+      - func: run tests
+        vars:
+          AUTH: noauth
+          SSL: nossl
+          test_loadbalancer: "true"
+    tags: [load-balancer, noauth, nossl]
+
   # Server tests
   - name: test-4.0-standalone-auth-ssl-sync
     commands: