Modify unit tests to reset options during init_openram so

that they don't use old parameters after a failure.

compiler/tests/11_dff_array_test.py

@@ -17,7 +17,6 @@ class dff_array_test(openram_test):
         globals.init_openram("config_20_{0}".format(OPTS.tech_name))
         global verify
         import verify
-        OPTS.check_lvsdrc = False
 
         import dff_array
 
@@ -33,7 +32,6 @@ class dff_array_test(openram_test):
         a = dff_array.dff_array(rows=3, columns=1)
         self.local_check(a)
 
-        OPTS.check_lvsdrc = True
         globals.end_openram()
 
 # instantiate a copdsay of the class to actually run the test