Run oscore deployments only for special form of recheck

Currently even if user posted usual recheck comment, oscore CC deployment
will be launched on reclass-system, due to lack of resources deployemnt
for patch to reclass-system should be triggered only when comment is in
form:

recheck

test_schemas:
  openstack-ovs-core-ssl-queens:
    ....

Change-Id: Ida3d4f0809dc135e0ac4416056cbddfd98cb0bb8
Related-Prod: https://mirantis.jira.com/browse/PROD-28086
diff --git a/test-salt-model-wrapper.groovy b/test-salt-model-wrapper.groovy
index b8fb9e8..118431a 100644
--- a/test-salt-model-wrapper.groovy
+++ b/test-salt-model-wrapper.groovy
@@ -213,11 +213,15 @@
                 if (gerritProject == cookiecutterTemplatesRepo) {
                     branchJobName = 'test-drivetrain'
                     branches[branchJobName] = runTests(branchJobName, yamlJobParameters(buildTestParams))
-                }
-                if (gerritProject in [cookiecutterTemplatesRepo, reclassSystemRepo]) {
                     branchJobName = 'oscore-test-cookiecutter-models'
                     branches[branchJobName] = runTests(branchJobName, yamlJobParameters(buildTestParams))
                 }
+                if (env['GERRIT_EVENT_COMMENT_TEXT'] && new String(env['GERRIT_EVENT_COMMENT_TEXT'].decodeBase64()) =~ /\ntest_schemas.*/) {
+                    if (gerritProject == reclassSystemRepo) {
+                       branchJobName = 'oscore-test-cookiecutter-models'
+                       branches[branchJobName] = runTests(branchJobName, yamlJobParameters(buildTestParams))
+                    }
+                }
             }
             branches.keySet().each { key ->
                 if (branches[key] instanceof Closure) {