Fix usage of Magic number of tests

testenv/test/base_test.py: Add new variable SKIP_TEST
testenv/Test--https-crl.py: Use SKIP_TEST instead of magic number
testenv/Test--https.py: Same
testenv/Test-hsts.py: Same
testenv/Test-no_proxy-env.py: Same
testenv/Test-pinnedpubkey-der-https.py: Same
testenv/Test-pinnedpubkey-der-no-check-https.py: Same
testenv/Test-pinnedpubkey-hash-https.py: Same
testenv/Test-pinnedpubkey-hash-no-check-fail-https.py: Same
testenv/Test-pinnedpubkey-pem-fail-https.py: Same
testenv/Test-pinnedpubkey-pem-https.py: Same

testenv/Test--https-crl.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test--https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test-hsts.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import time
 import os
@@ -12,7 +12,7 @@ This test makes sure Wget can parse a given HSTS database and apply the indicate
 
 print (os.getenv('SSL_TESTS'))
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 def hsts_database_path():
     hsts_file = ".wget-hsts-testenv"

testenv/Test-no_proxy-env.py

@@ -2,6 +2,7 @@
 import socket
 from sys import exit
 from test.http_test import HTTPTest
+from test.base_test import SKIP_TEST
 from test.base_test import HTTP
 from misc.wget_file import WgetFile
 
@@ -36,7 +37,7 @@ for hostname in hostnames_to_check:
     except socket.gaierror as _:
         # resolution of the name fails
         # return value 77 -> SKIP
-        exit(77)
+        exit(SKIP_TEST)
 
 # File Definitions
 File1 = "Would you like some Tea?"

testenv/Test-pinnedpubkey-der-https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test-pinnedpubkey-der-no-check-https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test-pinnedpubkey-hash-https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test-pinnedpubkey-hash-no-check-fail-https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test-pinnedpubkey-pem-fail-https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/Test-pinnedpubkey-pem-https.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from sys import exit
 from test.http_test import HTTPTest
-from test.base_test import HTTP, HTTPS
+from test.base_test import HTTPS, SKIP_TEST
 from misc.wget_file import WgetFile
 import os
 
@@ -9,7 +9,7 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 if os.getenv('SSL_TESTS') is None:
-    exit (77)
+    exit (SKIP_TEST)
 
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"

testenv/test/base_test.py

@@ -13,6 +13,7 @@ import conf
 HTTP = "HTTP"
 HTTPS = "HTTPS"
 
+SKIP_TEST = 77
 
 class BaseTest: