change fsi serial regression test

Author: HahsFilip

TestCases/serial_regression.py

@@ -1066,7 +1066,7 @@ def main():
     airfoilRBF.cfg_dir   = "fea_fsi/Airfoil_RBF"
     airfoilRBF.cfg_file  = "config.cfg"
     airfoilRBF.test_iter = 1
-    airfoilRBF.test_vals = [1.000000, -2.786183, -4.977959]
+    airfoilRBF.test_vals = [ 1.000000, -2.786186, -4.977944]
     airfoilRBF.multizone = True
     test_list.append(airfoilRBF)