added test files to testingore

On-behalf-of: @SAP [email protected]
Signed-off-by: Artem Shcherbatiuk <[email protected]>

Author: vertex451

.testcoverage.yml

@@ -6,6 +6,5 @@ exclude:
     - common/config/config.go
     - mocks
     - common/apis/*
-    - export_test*.go
-    # remove it later:
-    - listener/reconciler/clusteraccess/subroutines.go
+    - "**/export_test.go"
+    - "**/export_test_integration.go"