flipflop test updated

test/unit_tests/flipflop/test.prsim

@@ -1,21 +1,28 @@
-
-set t.d 0
-set t.clk 0
-set Reset 0
-cycle
-assert t.q 0
+watchall
 system "echo '[0] start test'"
 set Reset 1
+set t.d 0
+set t.clk 0
 cycle
 status X
 mode run
+assert t.q 0
+set Reset 0
+cycle
+assert t.q 0
 system "echo '[1] reset completed'"
-system "echo '[2] setting d to 1'"
 set t.clk 1
 cycle
 assert t.q 0
-system "echo '[3] setting clk to 1'"
+system "echo '[2] tested d = 0, clk rise'"
+set t.clk 0
+cycle
+set t.d 1
+cycle
 set t.clk 1
 cycle
+assert t.q 0
+set t.clk 0
+cycle
 assert t.q 1
-system "echo '[4] Finished'"
+system "echo '[3] tested d = 1, clk rise and fall'"