Refactor all tests inheriting from WifiBaseTest as per b/137199892

Bug: 137199892
Test: manual
Change-Id: Ie6dbace7bfbd66aa02041a69d9421b0b012c60f4
diff --git a/acts/tests/google/wifi/WifiEnterpriseTest.py b/acts/tests/google/wifi/WifiEnterpriseTest.py
old mode 100755
new mode 100644
index 6c6042d..6ba5eb4
--- a/acts/tests/google/wifi/WifiEnterpriseTest.py
+++ b/acts/tests/google/wifi/WifiEnterpriseTest.py
@@ -36,10 +36,9 @@
 
 
 class WifiEnterpriseTest(WifiBaseTest):
-    def __init__(self, controllers):
-        WifiBaseTest.__init__(self, controllers)
-
     def setup_class(self):
+        super().setup_class()
+
         self.dut = self.android_devices[0]
         wutils.wifi_test_device_init(self.dut)
         # If running in a setup with attenuators, set attenuation on all