Add test for non-used React import

tests/baselines/reference/tsxPreserveEmit3.js

@@ -0,0 +1,24 @@
+//// [tests/cases/conformance/jsx/tsxPreserveEmit3.tsx] ////
+
+//// [file.tsx]
+
+declare module JSX {
+	interface Element { }
+	interface IntrinsicElements {
+		[s: string]: any;
+	}
+}
+
+//// [test.d.ts]
+export var React;
+
+//// [react-consumer.tsx]
+// This import should be elided
+import {React} from "./test";
+
+
+//// [file.jsx]
+//// [react-consumer.jsx]
+define(["require", "exports"], function (require, exports) {
+    "use strict";
+});

tests/baselines/reference/tsxPreserveEmit3.symbols

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+=== tests/cases/conformance/jsx/file.tsx ===
+
+declare module JSX {
+>JSX : Symbol(JSX, Decl(file.tsx, 0, 0))
+
+	interface Element { }
+>Element : Symbol(Element, Decl(file.tsx, 1, 20))
+
+	interface IntrinsicElements {
+>IntrinsicElements : Symbol(IntrinsicElements, Decl(file.tsx, 2, 22))
+
+		[s: string]: any;
+>s : Symbol(s, Decl(file.tsx, 4, 3))
+	}
+}
+
+=== tests/cases/conformance/jsx/test.d.ts ===
+export var React;
+>React : Symbol(React, Decl(test.d.ts, 0, 10))
+
+=== tests/cases/conformance/jsx/react-consumer.tsx ===
+// This import should be elided
+import {React} from "./test";
+>React : Symbol(React, Decl(react-consumer.tsx, 1, 8))
+

tests/baselines/reference/tsxPreserveEmit3.types

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+=== tests/cases/conformance/jsx/file.tsx ===
+
+declare module JSX {
+>JSX : any
+
+	interface Element { }
+>Element : Element
+
+	interface IntrinsicElements {
+>IntrinsicElements : IntrinsicElements
+
+		[s: string]: any;
+>s : string
+	}
+}
+
+=== tests/cases/conformance/jsx/test.d.ts ===
+export var React;
+>React : any
+
+=== tests/cases/conformance/jsx/react-consumer.tsx ===
+// This import should be elided
+import {React} from "./test";
+>React : any
+

tests/cases/conformance/jsx/tsxPreserveEmit3.tsx

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+//@jsx: preserve
+//@module: amd
+
+//@filename: file.tsx
+declare module JSX {
+	interface Element { }
+	interface IntrinsicElements {
+		[s: string]: any;
+	}
+}
+
+//@filename: test.d.ts
+export var React;
+
+//@filename: react-consumer.tsx
+// This import should be elided
+import {React} from "./test";