Fixes git revision test (when no git is installed)

tests/CMakeLists.txt

 include_directories("${CATCH_INCLUDE_PATH}")
-
+include_directories("${PASTIS_BINARY_DIR}/src/utils")
 set(EXECUTABLE_OUTPUT_PATH ${PASTIS_BINARY_DIR})
+
 add_executable (unit_tests
   test_main.cpp
   test_RevisionInfo.cpp
-  test_TinyVector.cpp)
+  test_TinyVector.cpp
+  )
 
 target_include_directories(Catch INTERFACE ${CATCH_INCLUDE_DIR})
-target_link_libraries (
-  unit_tests
+
+target_link_libraries (unit_tests
   PastisUtils
-  Catch)
+  Catch
+  )
 
 enable_testing()
 

tests/test_RevisionInfo.cpp

@@ -2,6 +2,13 @@
 
 #include <RevisionInfo.hpp>
 
+#include <pastis_git_revision.hpp>
+
 TEST_CASE("RevisionInfo", "[utils]") {
-  REQUIRE(RevisionInfo::hasGitInfo() == true);
+#ifdef HAS_PASTIS_GIT_INFO
+#define HAS_GIT_INFO true
+#else
+#define HAS_GIT_INFO false
+#endif
+  REQUIRE( (RevisionInfo::hasGitInfo() == HAS_GIT_INFO) );
 }