K8SPSMDB-909 - Automatically set OPERATOR_VERSION in e2e functions (#1310)

Author: tplavcic

e2e-tests/functions

@@ -3,7 +3,7 @@
 GIT_COMMIT=$(git rev-parse HEAD)
 GIT_BRANCH=${VERSION:-$(git rev-parse --abbrev-ref HEAD | sed -e 's^/^-^g; s^[.]^-^g;' | sed -e 's/_/-/g' | tr '[:upper:]' '[:lower:]')}
 API="psmdb.percona.com/v1"
-OPERATOR_VERSION="1.15.0"
+OPERATOR_VERSION="$(yq eval '.spec.crVersion' $(realpath $test_dir/../../deploy/cr.yaml))"
 IMAGE=${IMAGE:-"perconalab/percona-server-mongodb-operator:${GIT_BRANCH}"}
 IMAGE_PMM=${IMAGE_PMM:-"perconalab/pmm-client:dev-latest"}
 IMAGE_MONGOD=${IMAGE_MONGOD:-"perconalab/percona-server-mongodb-operator:main-mongod5.0"}