diff --git a/src/app/tests/TestReadInteraction.cpp b/src/app/tests/TestReadInteraction.cpp
index 2d261b86db7e54..e4041fe0d1e8e6 100644
--- a/src/app/tests/TestReadInteraction.cpp
+++ b/src/app/tests/TestReadInteraction.cpp
@@ -2788,7 +2788,7 @@ nlTestSuite sSuite =
 
 int TestReadInteraction()
 {
-    TestContext sContext;
+    static TestContext sContext;
     nlTestRunner(&sSuite, &sContext);
     return (nlTestRunnerStats(&sSuite));
 }
diff --git a/src/messaging/tests/TestExchangeMgr.cpp b/src/messaging/tests/TestExchangeMgr.cpp
index 52ecc256ecca94..62f89ebf7ff119 100644
--- a/src/messaging/tests/TestExchangeMgr.cpp
+++ b/src/messaging/tests/TestExchangeMgr.cpp
@@ -260,7 +260,7 @@ nlTestSuite sSuite =
  */
 int TestExchangeMgr()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/messaging/tests/TestReliableMessageProtocol.cpp b/src/messaging/tests/TestReliableMessageProtocol.cpp
index 4ddf2c63919759..bd453b768cb40c 100644
--- a/src/messaging/tests/TestReliableMessageProtocol.cpp
+++ b/src/messaging/tests/TestReliableMessageProtocol.cpp
@@ -1689,7 +1689,7 @@ nlTestSuite sSuite =
  */
 int TestReliableMessageProtocol()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/protocols/secure_channel/tests/TestCASESession.cpp b/src/protocols/secure_channel/tests/TestCASESession.cpp
index d8ebcd6c87611c..ad85d9dc697257 100644
--- a/src/protocols/secure_channel/tests/TestCASESession.cpp
+++ b/src/protocols/secure_channel/tests/TestCASESession.cpp
@@ -1038,7 +1038,7 @@ int CASE_TestSecurePairing_Teardown(void * inContext)
  */
 int TestCASESession()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/protocols/secure_channel/tests/TestMessageCounterManager.cpp b/src/protocols/secure_channel/tests/TestMessageCounterManager.cpp
index df27e0f1d983bd..7737567ca6f1f7 100644
--- a/src/protocols/secure_channel/tests/TestMessageCounterManager.cpp
+++ b/src/protocols/secure_channel/tests/TestMessageCounterManager.cpp
@@ -168,7 +168,7 @@ int Finalize(void * aContext)
  */
 int TestMessageCounterManager()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/protocols/secure_channel/tests/TestPASESession.cpp b/src/protocols/secure_channel/tests/TestPASESession.cpp
index 6b60ff3bd413ab..34d6dd54ea083e 100644
--- a/src/protocols/secure_channel/tests/TestPASESession.cpp
+++ b/src/protocols/secure_channel/tests/TestPASESession.cpp
@@ -487,7 +487,7 @@ int TestSecurePairing_Teardown(void * inContext)
  */
 int TestPASESession()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/transport/raw/tests/TestTCP.cpp b/src/transport/raw/tests/TestTCP.cpp
index 40be2b8873d84e..313d0901d20e60 100644
--- a/src/transport/raw/tests/TestTCP.cpp
+++ b/src/transport/raw/tests/TestTCP.cpp
@@ -502,7 +502,7 @@ static int Finalize(void * aContext)
 
 int TestTCP()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/transport/raw/tests/TestUDP.cpp b/src/transport/raw/tests/TestUDP.cpp
index 82fd218e2ed5a6..ec72165b9ac2a0 100644
--- a/src/transport/raw/tests/TestUDP.cpp
+++ b/src/transport/raw/tests/TestUDP.cpp
@@ -210,7 +210,7 @@ static int Finalize(void * aContext)
 
 int TestUDP()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);
diff --git a/src/transport/tests/TestSessionManager.cpp b/src/transport/tests/TestSessionManager.cpp
index f3abeacddd9e7a..2ae7902acd1335 100644
--- a/src/transport/tests/TestSessionManager.cpp
+++ b/src/transport/tests/TestSessionManager.cpp
@@ -1015,7 +1015,7 @@ int Finalize(void * aContext)
  */
 int TestSessionManager()
 {
-    TestContext sContext;
+    static TestContext sContext;
 
     // Run test suit against one context
     nlTestRunner(&sSuite, &sContext);