edited to first include the simple_test directory, also using the correct link libs now

tests/CMakeLists.txt

@@ -1,18 +1,20 @@
-
+project(Tests)
-# TEST_RUNNER
-add_executable(test_runner
-    AllTests.cpp    
-)
-
-target_link_libraries(test_runner
-    ${CPPUTEST_LDFLAGS}
-    simple_test
-)
-
 
 # TEST_DIRS 
 add_subdirectory(simple_test)
 
+# TEST_RUNNER
+add_executable(AllTests
+    AllTests.cpp    
+)
+
+target_link_libraries(AllTests
+    ${CPPUTEST_LIBRARIES}/libCppUTest.a
+    ${CPPUTEST_LIBRARIES}/libCppUTestExt.a
+    simple_test
+)
+
+
 # INCLUDE_DIRS