enabled all tests for ci

ci/scripts/test.sh

@@ -52,21 +52,21 @@ python -c 'import hysop; print hysop'
 #python "$HYSOP_DIR/backend/device/codegen/kernels/tests/test_directional_advection.py"
 #python "$HYSOP_DIR/backend/device/codegen/kernels/tests/test_directional_remesh.py"
 
-#python "$HYSOP_DIR/core/arrays/tests/test_array.py"
-#python "$HYSOP_DIR/core/graph/tests/test_graph.py"
-#python "$HYSOP_DIR/fields/tests/test_fields.py"
-#$HYSOP_DIR/fields/tests/test_cartesian.sh
-#python "$HYSOP_DIR/numerics/tests/test_fft.py"
-#python "$HYSOP_DIR/operator/tests/test_analytic.py"
-#python "$HYSOP_DIR/operator/tests/test_transpose.py"
-#python "$HYSOP_DIR/operator/tests/test_fd_derivative.py"
-#python "$HYSOP_DIR/operator/tests/test_spectral_derivative.py"
-#python "$HYSOP_DIR/operator/tests/test_diffusion.py"
-#python "$HYSOP_DIR/operator/tests/test_poisson.py"
-#python "$HYSOP_DIR/operator/tests/test_solenoidal_projection.py"
-#python "$HYSOP_DIR/operator/tests/test_curl.py"
-#python "$HYSOP_DIR/operator/tests/test_poisson_curl.py"
-#python "$HYSOP_DIR/operator/tests/test_custom_symbolic.py"
+python "$HYSOP_DIR/core/arrays/tests/test_array.py"
+python "$HYSOP_DIR/core/graph/tests/test_graph.py"
+python "$HYSOP_DIR/fields/tests/test_fields.py"
+$HYSOP_DIR/fields/tests/test_cartesian.sh
+python "$HYSOP_DIR/numerics/tests/test_fft.py"
+python "$HYSOP_DIR/operator/tests/test_analytic.py"
+python "$HYSOP_DIR/operator/tests/test_transpose.py"
+python "$HYSOP_DIR/operator/tests/test_fd_derivative.py"
+python "$HYSOP_DIR/operator/tests/test_spectral_derivative.py"
+python "$HYSOP_DIR/operator/tests/test_diffusion.py"
+python "$HYSOP_DIR/operator/tests/test_poisson.py"
+python "$HYSOP_DIR/operator/tests/test_solenoidal_projection.py"
+python "$HYSOP_DIR/operator/tests/test_curl.py"
+python "$HYSOP_DIR/operator/tests/test_poisson_curl.py"
+python "$HYSOP_DIR/operator/tests/test_custom_symbolic.py"
 python "$HYSOP_DIR/operator/tests/test_directional_advection.py"
 python "$HYSOP_DIR/operator/tests/test_directional_diffusion.py"
 python "$HYSOP_DIR/operator/tests/test_directional_stretching.py"

hysop/operator/min_max.py

@@ -680,5 +680,3 @@ class MinMaxGradientStatistics(Gradient):
         if ops and (i==max(self.directions)):
             ops += (self._phony_op,)
         return ops
-
-