diff --git a/tests/TestPlatform.cc b/tests/TestPlatform.cpp
similarity index 100%
rename from tests/TestPlatform.cc
rename to tests/TestPlatform.cpp
diff --git a/tests/TestResult.cc b/tests/TestResult.cpp
similarity index 100%
rename from tests/TestResult.cc
rename to tests/TestResult.cpp
diff --git a/tests/TestUtils.cc b/tests/TestUtils.cpp
similarity index 100%
rename from tests/TestUtils.cc
rename to tests/TestUtils.cpp