add tests for #1111

Co-Authored-By: Alejandro Dini <alete89@users.noreply.github.com>

org.uqbar.project.wollok.tests/src/org/uqbar/project/wollok/tests/xpect/DuplicatedVariableFromImports.wlk.xt

@@ -0,0 +1,21 @@
+/* XPECT_SETUP org.uqbar.project.wollok.tests.xpect.WollokXPectTest END_SETUP */
+
+import libForImports.apu
+import libForImports.flanders.mod
+import libForImports.Burns
+
+// XPECT warnings --> "There is already an imported instance variable with this name" at "apu"
+object apu {
+	// XPECT warnings --> "There is already an imported instance variable with this name" at "mod"
+	var mod = 20
+
+	method getMod() = mod
+}
+
+// XPECT warnings --> "There is already an imported instance variable with this name" at "Burns"
+class Burns {
+	// XPECT warnings --> "There is already an imported instance variable with this name" at "mod"
+	const mod = 5
+
+	method getMod() = mod
+}

org.uqbar.project.wollok.tests/src/org/uqbar/project/wollok/tests/xpect/DuplicatedVariableFromImports.wtest.xt

@@ -0,0 +1,12 @@
+/* XPECT_SETUP org.uqbar.project.wollok.tests.xpect.WollokXPectTest END_SETUP */
+
+import libForImports.apu
+
+describe "duplicated variables" {
+
+	test "with duplicated variable" {
+		// XPECT warnings --> "There is already an imported instance variable with this name" at "apu"
+		var apu = 2
+		assert.equals(apu, 2)		
+	}
+}