Revert "Fix failing issue-5055 tests"

This reverts commit 59023ff.

Author: cydparser

Cabal-tests/tests/ParserTests/errors/issue-5055-2.errors

@@ -1,2 +1,2 @@
 VERSION: Just (mkVersion [2,0])
-issue-5055-2.cabal:15:1: Test suite "flag-cabal-test" is missing required field "main-is" or the field is not present in all conditional branches.
+issue-5055-2.cabal:15:1: Test suite "flag-cabal-test" is missing required field "type" or the field is not present in all conditional branches. The available test types are: exitcode-stdio-1.0, detailed-0.9

Cabal-tests/tests/ParserTests/errors/issue-5055.errors

@@ -1,2 +1,2 @@
 VERSION: Just (mkVersion [2,0])
-issue-5055.cabal:15:1: Test suite "flag-cabal-test" is missing required field "main-is" or the field is not present in all conditional branches.
+issue-5055.cabal:15:1: Test suite "flag-cabal-test" is missing required field "type" or the field is not present in all conditional branches. The available test types are: exitcode-stdio-1.0, detailed-0.9

Cabal-tests/tests/ParserTests/regressions/issue-5055.expr

@@ -213,9 +213,11 @@ GenericPackageDescription {
               condTreeData = TestSuite {
                 testName = UnqualComponentName
                   "",
-                testInterface = TestSuiteExeV10
-                  (mkVersion [1, 0])
-                  "FirstMain.hs",
+                testInterface =
+                TestSuiteUnsupported
+                  (TestTypeUnknown
+                    ""
+                    (mkVersion [])),
                 testBuildInfo = BuildInfo {
                   buildable = True,
                   buildTools = [],

Cabal-tests/tests/ParserTests/regressions/issue-5055.format

@@ -19,5 +19,3 @@ test-suite flag-cabal-test
     build-depends:    base >=4.8 && <5
 
     if os(windows)
-        type:    exitcode-stdio-1.0
-        main-is: FirstMain.hs