ci(build_system): clean-up cmake examples build-test-rules.yml

examples/build_system/.build-test-rules.yml

@@ -2,12 +2,10 @@
 
 examples/build_system/cmake/import_lib:
   disable_test:
-    - if: IDF_TARGET in ["esp32c2", "esp32c3", "esp32s2", "esp32s3", "esp32c6", "esp32h2", "esp32p4"]
-      temporary: true
-      reason: lack of runners # TODO: IDF-8987
+    - if: IDF_TARGET not in ["esp32", "esp32c3"]
+      reason: Testing on two diff architectures is sufficient
 
 examples/build_system/cmake/plugins:
   disable_test:
     - if: IDF_TARGET not in ["esp32", "esp32c3"]
-      temporary: true
-      reason: lack of runners
+      reason: Testing on two diff architectures is sufficient

examples/build_system/cmake/import_lib/pytest_import_lib.py

@@ -5,7 +5,8 @@ import pytest
 from pytest_embedded_qemu.dut import QemuDut
 
 
-@pytest.mark.esp32  # we only support qemu on esp32 for now
+@pytest.mark.esp32
+@pytest.mark.esp32c3
 @pytest.mark.host_test
 @pytest.mark.qemu
 def test_pytest_host(dut: QemuDut) -> None: