Testbench cleanup for cocotb 2.0

Signed-off-by: Alex Forencich <alex@alexforencich.com>

src/lss/tb/taxi_i2c_master/test_taxi_i2c_master.py

@@ -160,7 +160,7 @@ async def run_test_nack(dut):
     await RisingEdge(dut.clk)
 
 
-if cocotb.SIM_NAME:
+if getattr(cocotb, 'top', None) is not None:
 
     for test in [
                 run_test_write,

src/lss/tb/taxi_i2c_single_reg/test_taxi_i2c_single_reg.py

@@ -131,7 +131,7 @@ async def run_test_nack(dut):
     await RisingEdge(dut.clk)
 
 
-if cocotb.SIM_NAME:
+if getattr(cocotb, 'top', None) is not None:
 
     for test in [
                 run_test_write,

src/lss/tb/taxi_i2c_slave/test_taxi_i2c_slave.py

@@ -95,7 +95,7 @@ async def run_test(dut, payload_lengths=None, payload_data=None):
     await RisingEdge(dut.clk)
 
 
-if cocotb.SIM_NAME:
+if getattr(cocotb, 'top', None) is not None:
 
     factory = TestFactory(run_test)
     factory.generate_tests()

src/lss/tb/taxi_i2c_slave_axil_master/test_taxi_i2c_slave_axil_master.py

@@ -131,7 +131,7 @@ def cycle_pause():
     return itertools.cycle([1, 1, 1, 0])
 
 
-if cocotb.SIM_NAME:
+if getattr(cocotb, 'top', None) is not None:
 
     for test in [run_test_write, run_test_read]:
 

src/lss/tb/taxi_uart/test_taxi_uart.py

@@ -126,7 +126,7 @@ def prbs_payload(length):
     return bytearray([next(gen) for x in range(length)])
 
 
-if cocotb.SIM_NAME:
+if getattr(cocotb, 'top', None) is not None:
 
     for test in [run_test_tx, run_test_rx]:
         factory = TestFactory(test)