diff --git a/shared/test/common/os_interface/linux/sys_calls_linux_ult.cpp b/shared/test/common/os_interface/linux/sys_calls_linux_ult.cpp
index c757008d52..2dc21290ed 100644
--- a/shared/test/common/os_interface/linux/sys_calls_linux_ult.cpp
+++ b/shared/test/common/os_interface/linux/sys_calls_linux_ult.cpp
@@ -563,15 +563,15 @@ char **getEnviron() {
 
 namespace ULT {
 
-static char **mockEnviron = nullptr;
+static char *defaultTestEnviron[] = {nullptr};
+static char **mockEnviron = defaultTestEnviron;
 
 char **getCurrentEnviron() {
-    return mockEnviron ? mockEnviron : environ;
+    return mockEnviron;
 }
 
 void setMockEnviron(char **mock) {
-    mockEnviron = mock;
+    mockEnviron = mock ? mock : defaultTestEnviron;
 }
-
 } // namespace ULT
 } // namespace NEO
diff --git a/shared/test/unit_test/compiler_interface/linux/default_cl_cache_config_tests.cpp b/shared/test/unit_test/compiler_interface/linux/default_cl_cache_config_tests.cpp
index 3256831e96..0aa4eb89b3 100644
--- a/shared/test/unit_test/compiler_interface/linux/default_cl_cache_config_tests.cpp
+++ b/shared/test/unit_test/compiler_interface/linux/default_cl_cache_config_tests.cpp
@@ -423,9 +423,15 @@ TEST(ClCacheDefaultConfigLinuxTest, GivenIgcEnvVarSetOrUnsetThenCacheConfigIsEna
     VariableBackup<std::unordered_map<std::string, std::string> *> mockableEnvValuesBackup(&NEO::IoFunctions::mockableEnvValues, &mockableEnvs);
     VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> statBackup(&NEO::SysCalls::sysCallsStat, statMock);
 
+    StreamCapture capture;
+    capture.captureStdout();
+
     auto cacheConfig = NEO::getDefaultCompilerCacheConfig();
+    std::string output = capture.getCapturedStdout();
+
     EXPECT_TRUE(cacheConfig.enabled);
     EXPECT_EQ(cacheConfig.cacheDir, "ult/directory/");
+    EXPECT_STREQ(output.c_str(), "NEO_CACHE_PERSISTENT is enabled. Cache is located in: ult/directory/\n\n");
 
     mockableEnvs["IGC_DEBUG"] = "1";
     environVec = buildEnviron(mockableEnvs, envStorage);
@@ -436,9 +442,13 @@ TEST(ClCacheDefaultConfigLinuxTest, GivenIgcEnvVarSetOrUnsetThenCacheConfigIsEna
     mockableEnvs.erase("IGC_DEBUG");
     environVec = buildEnviron(mockableEnvs, envStorage);
     NEO::ULT::setMockEnviron(environVec.data());
+    capture.captureStdout();
     cacheConfig = NEO::getDefaultCompilerCacheConfig();
+    output = capture.getCapturedStdout();
+
     EXPECT_TRUE(cacheConfig.enabled);
     EXPECT_EQ(cacheConfig.cacheDir, "ult/directory/");
+    EXPECT_STREQ(output.c_str(), "NEO_CACHE_PERSISTENT is enabled. Cache is located in: ult/directory/\n\n");
 
     NEO::ULT::setMockEnviron(nullptr);
 }
diff --git a/shared/test/unit_test/compiler_interface/windows/default_cl_cache_config_tests.cpp b/shared/test/unit_test/compiler_interface/windows/default_cl_cache_config_tests.cpp
index ac252eb57e..227a1424d1 100644
--- a/shared/test/unit_test/compiler_interface/windows/default_cl_cache_config_tests.cpp
+++ b/shared/test/unit_test/compiler_interface/windows/default_cl_cache_config_tests.cpp
@@ -303,9 +303,15 @@ TEST_F(ClCacheDefaultConfigWindowsTest, GivenIgcEnvVarSetOrUnsetThenCacheConfigI
     wchar_t envBlockNoIgc[] = L"NEO_CACHE_PERSISTENT=1\0NEO_CACHE_MAX_SIZE=22\0NEO_CACHE_DIR=ult\\directory\\\0\0";
     SysCalls::mockEnvStringsW = envBlockNoIgc;
 
+    StreamCapture capture;
+    capture.captureStdout();
+
     auto cacheConfig = getDefaultCompilerCacheConfig();
+    std::string output = capture.getCapturedStdout();
+
     EXPECT_TRUE(cacheConfig.enabled);
     EXPECT_EQ(cacheConfig.cacheDir, "ult\\directory\\");
+    EXPECT_STREQ(output.c_str(), "NEO_CACHE_PERSISTENT is enabled. Cache is located in: ult\\directory\\\n\n");
 
     wchar_t envBlockWithIgc[] = L"IGC_DEBUG=1\0NEO_CACHE_PERSISTENT=1\0NEO_CACHE_MAX_SIZE=22\0NEO_CACHE_DIR=ult\\directory\\\0\0";
     SysCalls::mockEnvStringsW = envBlockWithIgc;
@@ -314,10 +320,14 @@ TEST_F(ClCacheDefaultConfigWindowsTest, GivenIgcEnvVarSetOrUnsetThenCacheConfigI
     EXPECT_FALSE(cacheConfig.enabled);
 
     SysCalls::mockEnvStringsW = envBlockNoIgc;
-
+    StreamCapture capture2;
+    capture2.captureStdout();
     cacheConfig = getDefaultCompilerCacheConfig();
+    output = capture2.getCapturedStdout();
+
     EXPECT_TRUE(cacheConfig.enabled);
     EXPECT_EQ(cacheConfig.cacheDir, "ult\\directory\\");
+    EXPECT_STREQ(output.c_str(), "NEO_CACHE_PERSISTENT is enabled. Cache is located in: ult\\directory\\\n\n");
 }
 
 } // namespace NEO