Modify parameters of the advection field RP gtest to reduce time of t…

…est.

Modify parameters of the advection field RP gtest to reduce time of test.

See merge request gysela-developpers/gyselalibxx!409

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Co-authored-by: Pauline Vidal <pavi@nb-pavi-1.ipp.mpg.de>

tests/geometryRTheta/advection_field_rp/advection_field_gtest.cpp

@@ -67,10 +67,10 @@ TEST(AdvectionFieldRPComputation, TestAdvectionFieldFinder)
 
     start_simulation = std::chrono::system_clock::now();
     // Build the grid for the space. ------------------------------------------------------------------
-    int const Nr(32);
-    int const Nt(64);
-    double const dt(0.05);
-    double const final_T(1.6);
+    int const Nr(20);
+    int const Nt(40);
+    double const dt(0.1);
+    double const final_T(0.8);
 
     double const rmin(0);
     double const rmax(1);
@@ -289,8 +289,8 @@ TEST(AdvectionFieldRPComputation, TestAdvectionFieldFinder)
 
     // --- Check the difference on advection fields  --------------------------------------------------
     for_each(grid, [&](IndexRP const irp) {
-        EXPECT_LE(abs(ddcHelper::get<RDimX>(difference_between_fields_exact_and_xy)(irp)), 1e-6);
-        EXPECT_LE(abs(ddcHelper::get<RDimY>(difference_between_fields_exact_and_xy)(irp)), 1e-6);
+        EXPECT_LE(abs(ddcHelper::get<RDimX>(difference_between_fields_exact_and_xy)(irp)), 1e-5);
+        EXPECT_LE(abs(ddcHelper::get<RDimY>(difference_between_fields_exact_and_xy)(irp)), 1e-5);
 
         EXPECT_LE(abs(ddcHelper::get<RDimX>(difference_between_fields_xy_and_rp)(irp)), 1e-14);
         EXPECT_LE(abs(ddcHelper::get<RDimY>(difference_between_fields_xy_and_rp)(irp)), 1e-14);