tests: adjust top level comments in backward compatibility tests

tests/test_backward_compatibility_10.py

@@ -1,4 +1,4 @@
-"""Test the use of APIs from liquidctl v1.0.0.
+"""Test API backward compatibility with liquidctl 1.0.x.
 
 While at the time all APIs were undocumented, we choose to support the use
 cases from GKraken as that software is a substantial contribution to the

tests/test_backward_compatibility_11.py

@@ -1,4 +1,4 @@
-"""Test backwards compatibility with liquidctl 1.1.0."""
+"""Test backward compatibility with liquidctl 1.1.x."""
 
 import pytest
 

tests/test_backward_compatibility_12.py

@@ -1,3 +1,5 @@
+"""Test backward compatibility with liquidctl 1.2.x."""
+
 import pytest
 
 

tests/test_backward_compatibility_13.py

@@ -1,3 +1,5 @@
+"""Test backward compatibility with liquidctl 1.3.x."""
+
 import pytest
 
 

tests/test_backward_compatibility_14.py

@@ -1,3 +1,5 @@
+"""Test backward compatibility with liquidctl 1.4.x."""
+
 import pytest
 from _testutils import MockHidapiDevice
 

tests/test_backward_compatibility_15.py

@@ -1,4 +1,4 @@
-"""Test backwards compatibility with liquidctl 1.5.0."""
+"""Test backward compatibility with liquidctl 1.5.x."""
 
 import pytest