ci: run zephyr twister jobs only on scheduled pipelines

Twister jobs appear to be extremely heavy. Given that we do not have resources to run them on each change, spawn them only in scheduled pipelines.

Signed-off-by: Zygmunt Krynicki zygmunt.krynicki@huawei.com

.oniro-ci/machines-and-flavours.yaml

@@ -244,6 +244,9 @@ zephyr-96b-nitrogen-twister-gcc:
   extends: [.zephyr-96b-nitrogen-twister, .toolchain-gcc]
 zephyr-96b-nitrogen-twister-clang:
   extends: [.zephyr-96b-nitrogen-twister, .toolchain-clang, .broken]
+  rules:
+    # Twister tests are somewhat heavy. Run them only on scheduled pipelines.
+    - if: '$CI_PIPELINE_SOURCE == "schedule"'
 
 .zephyr-qemu-x86-twister:
   extends: .build-zephyr-image
@@ -255,6 +258,9 @@ zephyr-qemu-x86-twister-gcc:
   extends: [.zephyr-qemu-x86-twister, .toolchain-gcc]
 zephyr-qemu-x86-twister-clang:
   extends: [.zephyr-qemu-x86-twister, .toolchain-clang, .broken]
+  rules:
+    # Twister tests are somewhat heavy. Run them only on scheduled pipelines.
+    - if: '$CI_PIPELINE_SOURCE == "schedule"'
 
 .zephyr-qemu-cortex-m3-twister:
   extends: .build-zephyr-image
@@ -266,6 +272,9 @@ zephyr-qemu-cortex-m3-twister-gcc:
   extends: [.zephyr-qemu-cortex-m3-twister, .toolchain-gcc]
 zephyr-qemu-cortex-m3-twister-clang:
   extends: [.zephyr-qemu-cortex-m3-twister, .toolchain-clang, .broken]
+  rules:
+    # Twister tests are somewhat heavy. Run them only on scheduled pipelines.
+    - if: '$CI_PIPELINE_SOURCE == "schedule"'
 
 .zephyr-96b-avenger:
   extends: .build-zephyr-image