Testsuite: T861: cleanup imports and use "kernel_flavor" from vyos_defaults

scripts/check-qemu-install

@@ -45,10 +45,7 @@ import re
 import tomli
 
 from io import BytesIO
-from io import StringIO
 from datetime import datetime
-from pathlib import Path
-from tomllib import loads as toml_loads
 
 EXCEPTION = 0
 now = datetime.now()
@@ -80,7 +77,6 @@ parser.add_argument('--tpmtest', help='Execute TPM encrypted config tests',
 parser.add_argument('--qemu-cmd', help='Only generate QEMU launch command',
                 action='store_true', default=False)
 
-
 args = parser.parse_args()
 
 with open('data/defaults.toml', 'rb') as f:
@@ -98,14 +94,11 @@ class StreamToLogger(object):
 
     def write(self, buf):
         self.linebuf += buf
-        #print('.')
         while b'\n' in self.linebuf:
             f = self.linebuf.split(b'\n', 1)
             if len(f) == 2:
                 self.logger.debug(self.ansi_escape.sub('', f[0].decode(errors="replace").rstrip()))
                 self.linebuf = f[1]
-            #print(f)
-
 
     def flush(self):
         pass
@@ -404,7 +397,6 @@ try:
     # Basic Configmode/Opmode switch
     #################################################
     log.info('Basic CLI configuration mode test')
-    kernel_flavor = toml_loads(Path('data/defaults.toml').read_text()).get('kernel_flavor')
 
     c.sendline('configure')
     c.expect(cfg_mode_prompt)
@@ -413,7 +405,7 @@ try:
     c.sendline('show version')
     c.expect(op_mode_prompt)
     c.sendline('show version kernel')
-    c.expect(f'{vyos_defaults["kernel_version"]}-{kernel_flavor}')
+    c.expect(f'{vyos_defaults["kernel_version"]}-{vyos_defaults["kernel_flavor"]}')
     c.expect(op_mode_prompt)
     c.sendline('show version frr')
     c.expect(op_mode_prompt)