failure.assertThatCause(matchesRegexp("Could not resolve all (dependencies|artifacts|files) for configuration '${Pattern.quote(configuration)}'."))
        this
    }

    DependencyResolutionFailure assertFailedDependencyRequiredBy(String dependency) {
        failure.assertThatCause(matchesRegexp("(?ms).*Required by:\\s+$dependency.*"))
        this
    }

        """

        when:
        withInstallations(Jvm.current(), otherJvm).fails("testAggregateTestReport")

        then:
        failure.assertThatCause(containsNormalizedString("There are several available matching variants of project :"))

                toolchains { // should be toolchain
                }
            }
        """

        expect:
        fails()
        failure.assertThatCause(containsNormalizedString("Could not find method toolchains() for arguments"))
        failure.assertThatCause(containsNormalizedString(" on extension 'java' of type org.gradle.api.plugins.internal.DefaultJavaPluginExtension."))
    }

    public ExecutionFailure assertHasCause(String description) {
        delegate.assertHasCause(description);
        return this;
    }

    @Override
    public ExecutionFailure assertThatCause(Matcher<? super String> matcher) {
        delegate.assertThatCause(matcher);
        return this;
    }

    @Override
    public ExecutionFailure assertHasDescription(String context) {
        delegate.assertHasDescription(context);

            failure.assertThatCause(containsNormalizedString("The only attribute distinguishing these variants is 'org.gradle.usage'. Add this attribute to the consumer's configuration to resolve the ambiguity:"))
            failure.assertThatCause(containsNormalizedString("- Value: 'unknownApiVariant' selects variant: 'api'"))

            someMethod()
        """

        when:
        fails "help"

        then:
        failure.assertHasFileName("Script '${file("script2.gradle").absolutePath}'")
        failure.assertThatCause(containsText("Could not find method someMethod()"))
    }

    def "methods defined in settings script are not inherited by scripts"() {
        given:
        settingsFile << """
            def someMethod() {}

                nonPublic = "foo"
            }
        """
        fails(":printTestSoftwareTypeExtensionImplConfiguration")

        then:
        failure.assertThatCause(Matchers.containsString("Failed to interpret the declarative DSL file"))
        failure.assertThatCause(Matchers.containsString("unresolved reference 'nonPublic'"))
    }

    def 'can declare and configure a custom software type from a parent class'() {
        given:

        this.failure = failure;
    }

    public assertTestsFailed() {
        failure
            .assertHasDescription("Execution failed for task ':test'.")
            .assertThatCause(startsWith("There were failing tests"));
    }

        messages.forEach { problem ->
            String indentedMessage = problem.message.replaceAll('\n', '\n    ').trim()
            failure.assertThatCause(containsString("$problem.severity: $indentedMessage"))
        }

        // TODO (donat) do probably don't want to have this, as the explicit problem assertions are preferred
        def problems = collectedProblems

        }
        return this;
    }

    @Override
    public ExecutionFailure assertHasCause(String description) {
        assertThatCause(startsWith(description));
        return this;
    }

    @Override
    public ExecutionFailure assertThatCause(Matcher<? super String> matcher) {
        Set<String> seen = new LinkedHashSet<>();
        for (Problem problem : problems) {