Disable dev tests w/ OPENCOARRAYS_DEVELOPER=FALSE

 - Previously just having OPENCOARRAYS_DEVELOPER *set* would enable dev
   tests. Now must be set to something that CMake evaluates to true in
   `if ( <string> )` see `if()` documentation for help

Author: zbeekman

CMakeLists.txt

@@ -7,7 +7,7 @@ set ( CMAKE_BUILD_TYPE "Release"
 set_property ( CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS ${CMAKE_CONFIGURATION_TYPES} )
 
 # Add option and check environment to determine if developer tests should be run
-if(DEFINED ENV{OPENCOARRAYS_DEVELOPER})
+if($ENV{OPENCOARRAYS_DEVELOPER})
   option(RUN_DEVELOPER_TESTS "Run tests intended only for developers" ON)
 else()
   option(RUN_DEVELOPER_TESTS "Run tests intended only for developers" OFF)
@@ -477,6 +477,7 @@ if(opencoarrays_aware_compiler)
     add_mpi_test(register_alloc_comp_2 2 ${tests_root}/unit/init_register/register_alloc_comp_2)
     add_mpi_test(register_alloc_comp_3 2 ${tests_root}/unit/init_register/register_alloc_comp_3)
     if (RUN_DEVELOPER_TESTS)
+      message ( STATUS "Running Developer tests is enabled." )
       add_mpi_test(async_comp_alloc 6 ${tests_root}/unit/init_register/async_comp_alloc)
       # Timeout async_comp_alloc test after 3 seconds to progess past the known failure
       set_property(TEST async_comp_alloc PROPERTY TIMEOUT_AFTER_MATCH 3 "known failure")