test: ensure cmake does not try to use any cache in the current dir and reconfigure from scratch

Author: svalat

pytools/idfx_test.py

@@ -123,6 +123,9 @@ def configure(self,definitionFile=""):
     # we will build in ./build-test so problem dir is parent
     comm.append("-DIdefix_PROBLEM_DIR="+self.problemDir)
 
+    # ensure we do not use a previous build config which can stands in the test directory
+    comm.append("--fresh")
+
     # add specific options
     for opt in self.cmake:
       comm.append("-D"+opt)