test: add missing injections

Author: rigor789

test/project-service.ts

@@ -31,6 +31,7 @@ describe("projectService", () => {
 			testInjector.register("fs", {
 				exists: () => true,
 				isEmptyDir: () => true,
+				isRelativePath: () => true,
 				createDirectory: () => {},
 				writeJson: () => {},
 				deleteDirectory: () => {},

test/services/project-data-service.ts

@@ -82,6 +82,8 @@ const createTestInjector = (
 			/** intentionally left blank */
 		},
 
+		isRelativePath: () => true,
+
 		readText: (
 			filename: string,
 			encoding?: IReadFileOptions | string