Use GTEST_SKIP for session tests

Bug: 251240681
Merged from https://widevine-internal-review.googlesource.com/180010

Change-Id: I39e5c0365a5e0c2ddf62e6f68426f6baa3ddd1a1

libwvdrmengine/cdm/core/test/cdm_session_unittest.cpp

@@ -12,6 +12,7 @@
 #include "cdm_usage_table.h"
 #include "crypto_key.h"
 #include "crypto_wrapped_key.h"
+#include "oec_device_features.h"
 #include "properties.h"
 #include "service_certificate.h"
 #include "string_conversions.h"
@@ -215,6 +216,10 @@ class CdmSessionTest : public WvCdmTestBase {
  protected:
   void SetUp() override {
     WvCdmTestBase::SetUp();
+    if (wvoec::global_features.derive_key_method ==
+        wvoec::DeviceFeatures::NO_METHOD) {
+      GTEST_SKIP() << "Test for devices that can derive session keys only.";
+    }
     metrics_ = std::make_shared<metrics::SessionMetrics>();
     cdm_session_.reset(new CdmSession(nullptr, metrics_));
     // Inject testing mocks.

libwvdrmengine/oemcrypto/test/oec_device_features.cpp

@@ -149,7 +149,6 @@ std::string DeviceFeatures::RestrictFilter(const std::string& initial_filter) {
   std::string filter = initial_filter;
   // clang-format off
   if (!generic_crypto)                FilterOut(&filter, "*GenericCrypto*");
-  if (derive_key_method == NO_METHOD) FilterOut(&filter, "*SessionTest*");
   if (!supports_rsa_3072)             FilterOut(&filter, "*RSAKey3072*");
   if (api_version < 17)               FilterOut(&filter, "*API17*");
   if (api_version < 18)               FilterOut(&filter, "*API18*");

libwvdrmengine/oemcrypto/test/oemcrypto_decrypt_test.h

@@ -98,6 +98,10 @@ class OEMCryptoSessionTestsDecryptTests
  protected:
   void SetUp() override {
     OEMCryptoLicenseTestAPI16::SetUp();
+    if (wvoec::global_features.derive_key_method ==
+        wvoec::DeviceFeatures::NO_METHOD) {
+      GTEST_SKIP() << "Test for devices that can derive session keys only.";
+    }
     pattern_ = ::testing::get<0>(GetParam());
     cipher_mode_ = ::testing::get<1>(GetParam());
     decrypt_inplace_ = ::testing::get<2>(GetParam()).decrypt_inplace;

libwvdrmengine/oemcrypto/test/oemcrypto_license_test.h

@@ -39,6 +39,10 @@ class OEMCryptoSessionTests : public OEMCryptoClientTest {
 
   void SetUp() override {
     OEMCryptoClientTest::SetUp();
+    if (wvoec::global_features.derive_key_method ==
+        wvoec::DeviceFeatures::NO_METHOD) {
+      GTEST_SKIP() << "Test for devices that can derive session keys only.";
+    }
     EnsureTestROT();
     if (global_features.usage_table) {
       CreateUsageTableHeader();