Don't disable CSP enforcement for knitr tests

[labkey-tchad]

Rationale

1. AbstractKnitrReportTest
new CspConfigHelper(this).setEnforceCsp(false) doesn't work on trial instances. It isn't really necessary for this test though.

java.lang.NullPointerException: Unable to configure enforce CSP.
  at java.base/java.util.Objects.requireNonNull(Objects.java:336)
  at org.labkey.test.util.core.admin.CspConfigHelper.setEnforceCsp(CspConfigHelper.java:70)
  at org.labkey.test.tests.AbstractKnitrReportTest.testEmbeddedReportNonce(AbstractKnitrReportTest.java:248)

Related Pull Requests

• A couple more CSP enhancements #2530

Changes

• Don't disable CSP enforcement for knitr tests