Fix tests failing with "Distribution quality warnings"

Author: wismill

cabal-testsuite/PackageTests/AutogenModules/Package/ChangeLog.md

@@ -8,6 +8,7 @@ synopsis: AutogenModules
 category: PackageTests
 build-type: Simple
 cabal-version: 2.0
+extra-doc-files: ChangeLog.md
 
 description:
     Check that Cabal recognizes the autogen-modules fields below.

cabal-testsuite/PackageTests/AutogenModules/Package/my.cabal

@@ -8,6 +8,7 @@ synopsis: AutogenModules
 category: PackageTests
 build-type: Simple
 cabal-version: 2.0
+extra-doc-files: ./ChangeLog.md
 
 description:
     Check that Cabal recognizes the autogen-modules fields below.

cabal-testsuite/PackageTests/AutogenModules/SrcDist/AutogenModules.cabal

@@ -83,6 +83,7 @@ main = setupAndCabalTest $ do
                 ++ ".\\MyTestModule.hs\n"
                 ++ ".\\Dummy.hs\n"
                 ++ ".\\MyBenchModule.hs\n"
+                ++ ".\\ChangeLog.md\n"
                 ++ "LICENSE\n"
                 ++ ".\\AutogenModules.cabal\n"
 #else
@@ -94,6 +95,7 @@ main = setupAndCabalTest $ do
                 ++ "./MyTestModule.hs\n"
                 ++ "./Dummy.hs\n"
                 ++ "./MyBenchModule.hs\n"
+                ++ "./ChangeLog.md\n"
                 ++ "LICENSE\n"
                 ++ "./AutogenModules.cabal\n"
 #endif