Remove unnecessary filter logic from GraphQLTestUtils.kt

- Remove filter that excludes shared_response_types from default generator tests
- This filter is no longer needed after simplifying the test structure
- All tests, ktlintCheck, and detekt pass successfully

Co-Authored-By: Arthur Poon <[email protected]>

Author: devin-ai-integration[bot]

plugins/client/graphql-kotlin-client-generator/src/test/kotlin/com/expediagroup/graphql/plugin/client/generator/GraphQLTestUtils.kt

@@ -33,14 +33,6 @@ internal val defaultConfig = GraphQLClientGeneratorConfig(packageName = "com.exp
 internal fun locateTestCaseArguments(directory: String) = File(directory)
     .listFiles()
     ?.filter { it.isDirectory }
-    ?.filter {
-        // Exclude shared_response_types from default generator tests - it has its own test class
-        if (directory == "src/test/data/generator") {
-            it.name != "shared_response_types"
-        } else {
-            true
-        }
-    }
     ?.map {
         Arguments.of(it)
     } ?: emptyList()