Added a sanity test to check if the language configuration is loaded

src/test/kotlin/org/ocaml/IdeSanityTest.kt

@@ -0,0 +1,26 @@
+package org.ocaml
+
+import com.intellij.testFramework.fixtures.LightPlatformCodeInsightFixtureTestCase
+import junit.framework.Assert
+
+class IdeSanityTest  : LightPlatformCodeInsightFixtureTestCase() {
+    fun testOcaml(){
+        val script = """
+        module TestModule = struct
+            let some_val = 1
+            let some_other_val = 2
+        end"""
+        myFixture.configureByText("test.ml", script)
+
+        val lang = myFixture.file.language.id
+        Assert.assertEquals("Ocaml", lang)
+    }
+
+    fun testJBuild(){
+        val script = "((jbuild_version 1))"
+        myFixture.configureByText("jbuild", script)
+        val lang = myFixture.file.language.id
+        Assert.assertEquals("OcamlJbuilder", lang)
+    }
+
+}