docs: spelling errors

packages/compiler/test/aot/compiler_spec.ts

@@ -416,7 +416,7 @@ describe('compiler (bundled Angular)', () => {
        })));
   });
 
-  describe('Bundled libary', () => {
+  describe('Bundled library', () => {
     let host: MockCompilerHost;
     let aotHost: MockAotCompilerHost;
     let libraryFiles: Map<string, string>;
@@ -659,4 +659,4 @@ const LIBRARY_USING_APP: MockData = {
 function expectPromiseToThrow(p: Promise<any>, msg: RegExp) {
   p.then(
       () => { throw new Error('Expected to throw'); }, (e) => { expect(e.message).toMatch(msg); });
-}
+}

packages/compiler/test/aot/summary_serializer_spec.ts

@@ -137,7 +137,7 @@ export function main() {
              .toBe(symbolCache.get('/tmp/external.d.ts', 'SomeExternalPipe'));
        });
 
-    it('should automatically add the metadata of referenced symbols that are not in the soure files',
+    it('should automatically add the metadata of referenced symbols that are not in the source files',
        () => {
          init();
          const externalSerialized = serializeSummaries(
@@ -196,7 +196,7 @@ export function main() {
          // been serialized as well.
          expect(summaries[2].symbol).toBe(symbolCache.get('/tmp/non_summary.d.ts', 'external'));
          expect(summaries[2].metadata).toEqual('b');
-         // SomService is a transitive dep, but sould have been serialized as well.
+         // SomService is a transitive dep, but should have been serialized as well.
          expect(summaries[3].symbol).toBe(symbolCache.get('/tmp/external_svc.d.ts', 'SomeService'));
          expect(summaries[3].type.type.reference)
              .toBe(symbolCache.get('/tmp/external_svc.d.ts', 'SomeService'));

packages/compiler/test/directive_normalizer_spec.ts

@@ -305,7 +305,7 @@ export function main() {
     });
 
     describe('normalizeLoadedTemplate', () => {
-      it('should store the viewEncapsulationin the result',
+      it('should store the viewEncapsulation in the result',
          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
 
            const viewEncapsulation = ViewEncapsulation.Native;