Add more tests for emitting of es2018 module-kind

tests/cases/conformance/es2018/dynamicImport/importCallExpression3ES2018.ts

@@ -0,0 +1,17 @@
+// @module: es2018
+// @target: esnext
+// @filename: 0.ts
+export class B {
+    print() { return "I am B"}
+}
+
+// @filename: 2.ts
+// We use Promise<any> for now as there is no way to specify shape of module object
+function foo(x: Promise<any>) {
+    x.then(value => {
+        let b = new value.B();
+        b.print();
+    })
+}
+
+foo(import("./0"));

tests/cases/conformance/es2018/dynamicImport/importCallExpression4ES2018.ts

@@ -0,0 +1,14 @@
+// @module: es2018
+// @target: esnext
+// @filename: 0.ts
+export class B {
+    print() { return "I am B"}
+}
+
+// @filename: 2.ts
+async function foo() {
+    class C extends (await import("./0")).B {}
+    var c = new C();
+    c.print();
+}
+foo();

tests/cases/conformance/es2018/dynamicImport/importCallExpression5ES2018.ts

@@ -0,0 +1,26 @@
+// @module: es2018
+// @target: esnext
+// @filename: 0.ts
+export class B {
+    print() { return "I am B"}
+}
+
+export function foo() { return "foo" }
+
+// @filename: 1.ts
+export function backup() { return "backup"; }
+
+// @filename: 2.ts
+declare var console: any;
+class C {
+    private myModule = import("./0");
+    method() {
+        this.myModule.then(Zero => {
+            console.log(Zero.foo());
+        }, async err => {
+            console.log(err);
+            let one = await import("./1");
+            console.log(one.backup());
+        });
+    }
+}