this.buildResult = buildResult;
    }

    /**
     * The result of the build execution.
     *
     * @return the result of the build execution
     */
    public BuildResult getBuildResult() {
        return buildResult;
    }

Method <org.gradle.testkit.runner.UnexpectedBuildResultException.getBuildResult()> does not have raw return type assignable to org.gradle.api.provider.Provider in (UnexpectedBuildResultException.java:0)