fix(codebuild): fails on using PR Events together with FILE_PATH filters in a FilterGroup

packages/@aws-cdk/aws-codebuild/lib/source.ts

@@ -407,9 +407,6 @@ export class FilterGroup {
   }
 
   private addFilePathFilter(pattern: string, include: boolean): FilterGroup {
-    if (this.actions.size !== 1 || !this.actions.has(EventAction.PUSH)) {
-      throw new Error('A file path condition cannot be added if a Group contains any event action other than PUSH');
-    }
     return this.addFilter(FILE_PATH_WEBHOOK_COND, pattern, include);
   }
 

packages/@aws-cdk/aws-codebuild/test/test.codebuild.ts

@@ -582,6 +582,36 @@ export = {
 
       test.done();
     },
+    'with GitHub source including PULL_REQUEST_CREATED Event and FILE_PATH filter'(test: Test) {
+      const stack = new cdk.Stack();
+
+      new codebuild.Project(stack, 'Project', {
+        source: codebuild.Source.gitHub({
+          owner: 'testowner',
+          repo: 'testrepo',
+          cloneDepth: 3,
+          webhook: true,
+          reportBuildStatus: false,
+          webhookFilters: [
+            codebuild.FilterGroup.inEventOf(codebuild.EventAction.PULL_REQUEST_CREATED).andFilePathIs('ReadMe.md'),
+          ],
+        }),
+      });
+
+      expect(stack).to(haveResourceLike('AWS::CodeBuild::Project', {
+        Triggers: {
+          Webhook: true,
+          FilterGroups: [
+            [
+              { Type: 'EVENT', Pattern: 'PULL_REQUEST_CREATED' },
+              { Type: 'FILE_PATH', Pattern: 'ReadMe.md' },
+            ],
+          ],
+        },
+      }));
+
+      test.done();
+    },
     'with GitHubEnterprise source'(test: Test) {
       const stack = new cdk.Stack();
 
@@ -1631,17 +1661,6 @@ export = {
       test.done();
     },
 
-    'cannot have file path conditions if the Group contains any action other than PUSH'(test: Test) {
-      const filterGroup = codebuild.FilterGroup.inEventOf(codebuild.EventAction.PULL_REQUEST_CREATED,
-        codebuild.EventAction.PUSH);
-
-      test.throws(() => {
-        filterGroup.andFilePathIsNot('.*\\.java');
-      }, /A file path condition cannot be added if a Group contains any event action other than PUSH/);
-
-      test.done();
-    },
-
     'BitBucket sources do not support the PULL_REQUEST_REOPENED event action'(test: Test) {
       const stack = new cdk.Stack();