fix regex

Author: aobolensk

.github/workflows/linux_riscv_xuantie_dev_cpu.yml

@@ -234,7 +234,7 @@ jobs:
     env:
       INSTALL_DIR: ${{ github.workspace }}/install
       INSTALL_TEST_DIR: ${{ github.workspace }}/install/tests
-      GTEST_FILTER: ${{ inputs.testFilterType == 'SMOKE' && '*smoke*' || '*ActivationLayer*:*EltwiseLayer*:*LogicalLayer*:*ComparisonLayer*:*SelectLayer*:*MatMulLayerCPUTest*:*ExtremumLayerCPUTest*:smoke_Snippets*' }}
+      GTEST_FILTER: ${{ inputs.testFilterType == 'SMOKE' && '*smoke*' || '*ActivationLayer*:*EltwiseLayer*:*LogicalLayer*:*ComparisonLayer*:*SelectLayer*:*MatMulLayerCPUTest*:*ExtremumLayerCPUTest*:smoke_Snippets* - *_Snippets_CPU/*' }}
 
     steps:
       - name: Download OpenVINO artifacts (package)