chore(jest): Upgrade Jest flow types (yarnpkg#5573)

**Summary**

Follow up to yarnpkg#5569.

**Test plan**

`yarn lint` should pass without errors.

flow-typed/npm/jest_v21.x.x_with_custom_matchers.js → flow-typed/npm/jest_v22.x.x_with_custom_matchers.js

@@ -110,21 +110,29 @@ type JestPromiseType = {
   resolves: JestExpectType
 };
 
+/**
+ * Jest allows functions and classes to be used as test names in test() and
+ * describe()
+ */
+type JestTestName = string | Function;
+
 /**
  *  Plugin: jest-enzyme
  */
 type EnzymeMatchersType = {
   toBeChecked(): void,
   toBeDisabled(): void,
   toBeEmpty(): void,
+  toBeEmptyRender(): void,
   toBePresent(): void,
   toContainReact(element: React$Element<any>): void,
+  toExist(): void,
   toHaveClassName(className: string): void,
   toHaveHTML(html: string): void,
-  toHaveProp(propKey: string, propValue?: any): void,
+  toHaveProp: ((propKey: string, propValue?: any) => void) & ((props: Object) => void),
   toHaveRef(refName: string): void,
-  toHaveState(stateKey: string, stateValue?: any): void,
-  toHaveStyle(styleKey: string, styleValue?: any): void,
+  toHaveState: ((stateKey: string, stateValue?: any) => void) & ((state: Object) => void),
+  toHaveStyle: ((styleKey: string, styleValue?: any) => void) & ((style: Object) => void),
   toHaveTagName(tagName: string): void,
   toHaveText(text: string): void,
   toIncludeText(text: string): void,
@@ -312,6 +320,10 @@ type JestObjectType = {
    * mocked function.
    */
   resetAllMocks(): JestObjectType,
+  /**
+   * Restores all mocks back to their original value.
+   */
+  restoreAllMocks(): JestObjectType,
   /**
    * Removes any pending timers from the timer system.
    */
@@ -460,72 +472,72 @@ declare var describe: {
   /**
    * Creates a block that groups together several related tests in one "test suite"
    */
-  (name: string, fn: () => void): void,
+  (name: JestTestName, fn: () => void): void,
 
   /**
    * Only run this describe block
    */
-  only(name: string, fn: () => void): void,
+  only(name: JestTestName, fn: () => void): void,
 
   /**
    * Skip running this describe block
    */
-  skip(name: string, fn: () => void): void
+  skip(name: JestTestName, fn: () => void): void
 };
 
 /** An individual test unit */
 declare var it: {
   /**
    * An individual test unit
    *
-   * @param {string} Name of Test
+   * @param {JestTestName} Name of Test
    * @param {Function} Test
    * @param {number} Timeout for the test, in milliseconds.
    */
   (
-    name: string,
+    name: JestTestName,
     fn?: (done: () => void) => ?Promise<mixed>,
     timeout?: number
   ): void,
   /**
    * Only run this test
    *
-   * @param {string} Name of Test
+   * @param {JestTestName} Name of Test
    * @param {Function} Test
    * @param {number} Timeout for the test, in milliseconds.
    */
   only(
-    name: string,
+    name: JestTestName,
     fn?: (done: () => void) => ?Promise<mixed>,
     timeout?: number
   ): void,
   /**
    * Skip running this test
    *
-   * @param {string} Name of Test
+   * @param {JestTestName} Name of Test
    * @param {Function} Test
    * @param {number} Timeout for the test, in milliseconds.
    */
   skip(
-    name: string,
+    name: JestTestName,
     fn?: (done: () => void) => ?Promise<mixed>,
     timeout?: number
   ): void,
   /**
    * Run the test concurrently
    *
-   * @param {string} Name of Test
+   * @param {JestTestName} Name of Test
    * @param {Function} Test
    * @param {number} Timeout for the test, in milliseconds.
    */
   concurrent(
-    name: string,
+    name: JestTestName,
     fn?: (done: () => void) => ?Promise<mixed>,
     timeout?: number
   ): void
 };
 declare function fit(
-  name: string,
+  name: JestTestName,
   fn: (done: () => void) => ?Promise<mixed>,
   timeout?: number
 ): void;
@@ -551,12 +563,12 @@ declare var expect: {
   assertions(expectedAssertions: number): void,
   hasAssertions(): void,
   any(value: mixed): JestAsymmetricEqualityType,
-  anything(): void,
-  arrayContaining(value: Array<mixed>): void,
-  objectContaining(value: Object): void,
+  anything(): any,
+  arrayContaining(value: Array<mixed>): Array<mixed>,
+  objectContaining(value: Object): Object,
   /** Matches any received string that contains the exact expected string. */
-  stringContaining(value: string): void,
-  stringMatching(value: string | RegExp): void
+  stringContaining(value: string): string,
+  stringMatching(value: string | RegExp): string
 };
 
 // TODO handle return type
@@ -573,14 +585,14 @@ declare var jest: JestObjectType;
 declare var jasmine: {
   DEFAULT_TIMEOUT_INTERVAL: number,
   any(value: mixed): JestAsymmetricEqualityType,
-  anything(): void,
-  arrayContaining(value: Array<mixed>): void,
+  anything(): any,
+  arrayContaining(value: Array<mixed>): Array<mixed>,
   clock(): JestClockType,
   createSpy(name: string): JestSpyType,
   createSpyObj(
     baseName: string,
     methodNames: Array<string>
   ): { [methodName: string]: JestSpyType },
-  objectContaining(value: Object): void,
-  stringMatching(value: string): void
+  objectContaining(value: Object): Object,
+  stringMatching(value: string): string
 };