diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 98d73e84e5..e8cb59fca7 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1557,34 +1557,7 @@ if((BUILD_LIB AND BUILD_SHARED_LIBS) OR (PKG_PYTHON))
   endif()
 endif()
 
-###############################################################################
-# Testing
-#
-# Requires latest gcovr (for GCC 8.1 support):#
-# pip install git+https://github.com/gcovr/gcovr.git
-###############################################################################
-if(ENABLE_COVERAGE)
-    find_program(GCOVR_BINARY gcovr)
-    find_package_handle_standard_args(GCOVR DEFAULT_MSG GCOVR_BINARY)
-
-    if(GCOVR_FOUND)
-        get_filename_component(ABSOLUTE_LAMMPS_SOURCE_DIR ${LAMMPS_SOURCE_DIR} ABSOLUTE)
-
-        add_custom_target(
-            gen_coverage_xml
-            COMMAND ${GCOVR_BINARY} -s -x -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o coverage.xml
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-            COMMENT "Generating XML Coverage Report..."
-        )
-
-        add_custom_target(
-            gen_coverage_html
-            COMMAND ${GCOVR_BINARY} -s  --html --html-details -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o coverage.html
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-            COMMENT "Generating HTML Coverage Report..."
-        )
-    endif()
-endif()
+include(Testing)
 
 ###############################################################################
 # Print package summary
diff --git a/cmake/Modules/Testing.cmake b/cmake/Modules/Testing.cmake
new file mode 100644
index 0000000000..4bba4c59b7
--- /dev/null
+++ b/cmake/Modules/Testing.cmake
@@ -0,0 +1,28 @@
+###############################################################################
+# Testing
+#
+# Requires latest gcovr (for GCC 8.1 support):#
+# pip install git+https://github.com/gcovr/gcovr.git
+###############################################################################
+if(ENABLE_COVERAGE)
+    find_program(GCOVR_BINARY gcovr)
+    find_package_handle_standard_args(GCOVR DEFAULT_MSG GCOVR_BINARY)
+
+    if(GCOVR_FOUND)
+        get_filename_component(ABSOLUTE_LAMMPS_SOURCE_DIR ${LAMMPS_SOURCE_DIR} ABSOLUTE)
+
+        add_custom_target(
+            gen_coverage_xml
+            COMMAND ${GCOVR_BINARY} -s -x -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o coverage.xml
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+            COMMENT "Generating XML Coverage Report..."
+        )
+
+        add_custom_target(
+            gen_coverage_html
+            COMMAND ${GCOVR_BINARY} -s  --html --html-details -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o coverage.html
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+            COMMENT "Generating HTML Coverage Report..."
+        )
+    endif()
+endif()