hg: jdk/jdk11: 8206258: [Test Error] sun/security/pkcs11 tests fail if NSS libs not found

[sha.jiang at oracle.com]

Changeset: f095e3bc2d41
Author:    jjiang
Date:      2018-07-26 08:46 +0800
URL:       http://hg.openjdk.java.net/jdk/jdk11/rev/f095e3bc2d41

8206258: [Test Error] sun/security/pkcs11 tests fail if NSS libs not found
Summary: Improve the logics on skipping test
Reviewed-by: valeriep

! test/jdk/sun/security/pkcs11/PKCS11Test.java
! test/jdk/sun/security/pkcs11/Secmod/TestNssDbSqlite.java
! test/jdk/sun/security/pkcs11/Signature/TestDSAKeyLength.java
! test/jdk/sun/security/pkcs11/ec/TestCurves.java
! test/jdk/sun/security/pkcs11/ec/TestECDH.java
! test/jdk/sun/security/pkcs11/ec/TestECDH2.java
! test/jdk/sun/security/pkcs11/ec/TestECDSA.java
! test/jdk/sun/security/pkcs11/ec/TestECDSA2.java
! test/jdk/sun/security/pkcs11/ec/TestECGenSpec.java