Skip everything except afterAll fns when a beforeAll fn errors

* Fixes #1533

spec/core/SkipAfterBeforeAllErrorPolicySpec.js

@@ -0,0 +1,65 @@
+describe('SkipAfterBeforeAllErrorPolicy', function() {
+  describe('#skipTo', function() {
+    describe('When nothing has errored', function() {
+      it('does not skip anything', function() {
+        const policy = new jasmineUnderTest.SkipAfterBeforeAllErrorPolicy(
+          arrayOfArbitraryFns(4),
+          2
+        );
+
+        expect(policy.skipTo(0)).toEqual(1);
+        expect(policy.skipTo(1)).toEqual(2);
+        expect(policy.skipTo(2)).toEqual(3);
+        expect(policy.skipTo(3)).toEqual(4);
+      });
+    });
+
+    describe('When anything but a beforeAll has errored', function() {
+      it('does not skip anything', function() {
+        const policy = new jasmineUnderTest.SkipAfterBeforeAllErrorPolicy(
+          arrayOfArbitraryFns(4),
+          2
+        );
+
+        policy.fnErrored(0);
+        expect(policy.skipTo(0)).toEqual(1);
+        policy.fnErrored(1);
+        expect(policy.skipTo(1)).toEqual(2);
+        policy.fnErrored(2);
+        expect(policy.skipTo(2)).toEqual(3);
+        policy.fnErrored(3);
+        expect(policy.skipTo(3)).toEqual(4);
+      });
+    });
+
+    describe('When a beforeAll has errored', function() {
+      it('skips subsequent functions other than afterAll', function() {
+        const fns = [
+          { type: 'beforeAll', fn: () => {} },
+          { fn: () => {} },
+          { fn: () => {} },
+          { type: 'afterAll', fn: () => {} },
+          { type: 'afterAll', fn: () => {} }
+        ];
+        const policy = new jasmineUnderTest.SkipAfterBeforeAllErrorPolicy(
+          fns,
+          2
+        );
+
+        policy.fnErrored(0);
+        expect(policy.skipTo(0)).toEqual(3);
+        expect(policy.skipTo(3)).toEqual(4);
+      });
+    });
+  });
+});
+
+function arrayOfArbitraryFns(n) {
+  const result = [];
+
+  for (let i = 0; i < n; i++) {
+    result.push({ fn: () => {} });
+  }
+
+  return result;
+}