clean up oidc

.evergreen/generated_configs/tasks.yml

@@ -2489,14 +2489,13 @@ tasks:
     tags: [ocsp, ocsp-rsa, latest]
 
   # Oidc tests
-  - name: test-auth-oidc-default-cov
+  - name: test-auth-oidc-default
     commands:
       - func: run tests
         vars:
           TEST_NAME: auth_oidc
           SUB_TEST_NAME: default
-          COVERAGE: "1"
-    tags: [auth_oidc, pr]
+    tags: [auth_oidc]
   - name: test-auth-oidc-azure
     commands:
       - func: run tests

.evergreen/generated_configs/variants.yml

@@ -419,6 +419,8 @@ buildvariants:
     run_on:
       - ubuntu2204-small
     batchtime: 1440
+    expansions:
+      COVERAGE: "1"
     tags: [pr]
   - name: auth-oidc-macos
     tasks:

.evergreen/scripts/generate_config.py

@@ -401,6 +401,7 @@ def create_oidc_auth_variants():
                     tags=["pr"],
                     host=host,
                     batchtime=BATCHTIME_DAY,
+                    expansions=dict(COVERAGE="1"),
                 )
             )
     return variants
@@ -865,9 +866,6 @@ def create_oidc_tasks():
         tags = ["auth_oidc"]
         if sub_test != "default":
             tags.append("auth_oidc_remote")
-        else:
-            tags.append("pr")
-            vars["COVERAGE"] = "1"
         test_func = FunctionCall(func="run tests", vars=vars)
         task_name = get_task_name(f"test-auth-oidc-{sub_test}", **vars)
         tasks.append(EvgTask(name=task_name, tags=tags, commands=[test_func]))