Avoid parens-in-parens in test skipping messages.

tests/utils/tools.py

@@ -111,7 +111,7 @@ def skip_if_tool_version_is(tool, actual_ver, target_ver, vcls=Version):
         actual_ver = actual_ver()
     return skipif(
         vcls(str(actual_ver)) == vcls(str(target_ver)),
-        reason="requires {} != {} ({} detected)".format(
+        reason="requires {} != {}; {} detected".format(
             tool, target_ver, actual_ver
         ),
         tools=(tool,),
@@ -125,7 +125,7 @@ def skip_unless_tool_is_at_least(tool, actual_ver, min_ver, vcls=Version):
         actual_ver = actual_ver()
     return skipif(
         vcls(str(actual_ver)) < vcls(str(min_ver)),
-        reason="{} >= {} ({} detected)".format(
+        reason="{} >= {}; {} detected".format(
             reason(tool, force_include=True), min_ver, actual_ver
         ),
         tools=(tool,),
@@ -139,7 +139,7 @@ def skip_unless_tool_is_at_most(tool, actual_ver, max_ver, vcls=Version):
         actual_ver = actual_ver()
     return skipif(
         vcls(str(actual_ver)) > vcls(str(max_ver)),
-        reason="{} <= {} ({} detected)".format(
+        reason="{} <= {}; {} detected".format(
             reason(tool, force_include=True), max_ver, actual_ver
         ),
         tools=(tool,),
@@ -156,7 +156,7 @@ def skip_unless_tool_is_between(
     return skipif(
         (vcls(str(actual_ver)) < vcls(str(min_ver)))
         or (vcls(str(actual_ver)) > vcls(str(max_ver))),
-        reason="{} min {} >= {} ({} detected)".format(
+        reason="{} min {} >= {}; {} detected".format(
             reason(tool, force_include=True), min_ver, max_ver, actual_ver
         ),
         tools=(tool,),