testPerformance: adjust expected times

Since commit d2b20acd on slapos.git we
are using gcc 8.2 which seem to generate slightly faster code, so we
adjust the min time because tests were failing because we are now too
fast.

product/ERP5Type/tests/testPerformance.py

@@ -53,7 +53,7 @@ MIN_OBJECT_PROXYFIELD_VIEW=0.176    # 0.242 0.020, 0.199
 MAX_OBJECT_PROXYFIELD_VIEW=0.191    # 0.257 0.090, 0.220
 #CURRENT_MIN_OBJECT_VIEW=0.1220
 #CURRENT_MAX_OBJECT_VIEW=0.1280
-MIN_MODULE_VIEW=0.040               # 0.050 0.160 0.020, 0.125
+MIN_MODULE_VIEW=0.030               # 0.050 0.160 0.020, 0.125
 MAX_MODULE_VIEW=0.065               # 0.065 0.174 0.070, 0.175
 MIN_TIC=0.0073                      # 0.0333 0.0020, 0.260
 MAX_TIC=0.0150                      # 0.0354 0.0090, 0.343