PYTHON-5879 Skip coverage on macOS encryption tests

Author: aclark4life

.evergreen/generated_configs/tasks.yml

@@ -4827,6 +4827,7 @@ tasks:
       - noauth
       - free-threaded
       - pr
+      - cov
   - name: test-non-standard-latest-pypy3.11-noauth-ssl-replica-set
     commands:
       - func: run server
@@ -4873,6 +4874,7 @@ tasks:
       - sharded_cluster-auth-ssl
       - auth
       - pr
+      - cov
   - name: test-non-standard-latest-python3.13-noauth-nossl-standalone-cov
     commands:
       - func: run server
@@ -4897,6 +4899,7 @@ tasks:
       - standalone-noauth-nossl
       - noauth
       - pr
+      - cov
   - name: test-non-standard-rapid-python3.11-noauth-ssl-replica-set
     commands:
       - func: run server

.evergreen/generated_configs/variants.yml

@@ -193,7 +193,7 @@ buildvariants:
     tags: [encryption_tag]
   - name: encryption-macos
     tasks:
-      - name: .test-non-standard !.pypy
+      - name: .test-non-standard !.pypy !.cov
     display_name: Encryption macOS
     run_on:
       - macos-14
@@ -203,7 +203,7 @@ buildvariants:
     tags: [encryption_tag]
   - name: encryption-win64
     tasks:
-      - name: .test-non-standard !.pypy
+      - name: .test-non-standard !.pypy !.cov
     display_name: Encryption Win64
     run_on:
       - windows-2022-latest-small
@@ -224,7 +224,7 @@ buildvariants:
     tags: [encryption_tag]
   - name: encryption-crypt_shared-macos
     tasks:
-      - name: .test-non-standard !.pypy
+      - name: .test-non-standard !.pypy !.cov
     display_name: Encryption crypt_shared macOS
     run_on:
       - macos-14
@@ -235,7 +235,7 @@ buildvariants:
     tags: [encryption_tag]
   - name: encryption-crypt_shared-win64
     tasks:
-      - name: .test-non-standard !.pypy
+      - name: .test-non-standard !.pypy !.cov
     display_name: Encryption crypt_shared Win64
     run_on:
       - windows-2022-latest-small

.evergreen/scripts/generate_config.py

@@ -132,7 +132,8 @@ def get_encryption_expansions(encryption):
         display_name = get_variant_name(encryption, host, **expansions)
         tasks = [".test-non-standard"]
         if host != "rhel8":
-            tasks = [".test-non-standard !.pypy"]
+            # Exclude PyPy (not supported on non-linux) and coverage tasks (too slow on macOS/win64).
+            tasks = [".test-non-standard !.pypy !.cov"]
         variant = create_variant(
             tasks,
             display_name,
@@ -670,6 +671,7 @@ def create_test_non_standard_tasks():
             expansions["TEST_MIN_DEPS"] = "1"
         elif pr:
             expansions["COVERAGE"] = "1"
+            tags.append("cov")
         name = get_task_name("test-non-standard", python=python, **expansions)
         server_func = FunctionCall(func="run server", vars=expansions)
         test_vars = expansions.copy()