tests: Add statusdb test

Ensures that `--statusreset` doesn't break the schema.

tests/statusdb/reset.sv

@@ -0,0 +1,21 @@
+module demo (
+  input clk,
+  output reg [5:0] counter
+);
+  initial counter = 0;
+
+  always @(posedge clk) begin
+    if (counter == 15)
+      counter <= 0;
+    else
+      counter <= counter + 1;
+  end
+
+`ifdef FORMAL
+  always @(posedge clk) begin
+    assert (1);
+    assert (counter < 7);
+    assert (0);
+  end
+`endif
+endmodule