Fix some tests names and autotools v2 tests (#8299)

* fix autotools v2 test

* rename tests

* simplify test

* minor changes

* move to integration

conans/test/integration/conan_v2/build_helpers/test_autotools.py

@@ -0,0 +1,30 @@
+import textwrap
+
+from conans.test.utils.conan_v2_tests import ConanV2ModeTestCase
+
+
+class AutotoolsBuildHelperTestCase(ConanV2ModeTestCase):
+    conanfile = textwrap.dedent("""
+        from conans import ConanFile, AutoToolsBuildEnvironment, tools
+
+        class Pkg(ConanFile):
+            settings = "os", "arch", "{}"
+            def run(cmd, *args, **kwargs):
+                pass
+            def build(self):
+                autotools = AutoToolsBuildEnvironment(self)
+                autotools.configure()
+                autotools.make()
+    """)
+
+    def test_no_build_type(self):
+        t = self.get_client()
+        t.save({"conanfile.py": self.conanfile.format("compiler")})
+        t.run("create . pkg/0.1@user/testing", assert_error=True)
+        self.assertIn("Conan v2 incompatible: build_type setting should be defined.", t.out)
+
+    def test_no_compiler(self):
+        t = self.get_client()
+        t.save({"conanfile.py": self.conanfile.format("build_type")})
+        t.run("create . pkg/0.1@user/testing", assert_error=True)
+        self.assertIn("Conan v2 incompatible: compiler setting should be defined.", t.out)

conans/test/functional/conan_v2/build_helpers/meson.py → conans/test/integration/conan_v2/build_helpers/test_meson.py

@@ -1,6 +1,4 @@
 import textwrap
-import platform
-import unittest
 
 from conans.test.utils.conan_v2_tests import ConanV2ModeTestCase