Added more tests.

tests/cases/conformance/internalModules/moduleDeclarations/asiPreventsParsingAsNamespace04.ts

@@ -0,0 +1,3 @@
+
+let module = 10;
+module in {}

tests/cases/conformance/internalModules/moduleDeclarations/asiPreventsParsingAsNamespace05.ts

@@ -0,0 +1,10 @@
+
+let namespace = 10;
+namespace a.b {
+    export let c = 20;
+}
+
+namespace
+a.b.c
+{
+}