project.testComponent.binaries.size() == 1
        def testBinary = project.testComponent.binaries[0]
        testBinary instanceof CppExecutable
        testBinary.name == 'testExecutable'
        testBinary.variantName == 'debug'
        testBinary.baseName == 'coreTest'
        testBinary.compilationDetails.sources.sourceFile as Set == [src1, src2] as Set
        testBinary.compilationDetails.headerDirs == [headerDir] as Set

		}

		pkgsForBinary := map[string][]*load.Package{}

		for _, p := range pkgs {
			testBinary := testBinaryName(p)
			pkgsForBinary[testBinary] = append(pkgsForBinary[testBinary], p)
		}

		for testBinary, pkgs := range pkgsForBinary {
			if len(pkgs) > 1 {
				var buf strings.Builder
				for _, pkg := range pkgs {
					buf.WriteString(pkg.ImportPath)

	if !flag.Parsed() {
		panic("testing: Short called before Parse")
	}

	return *short
}

// testBinary is set by cmd/go to "1" if this is a binary built by "go test".
// The value is set to "1" by a -X option to cmd/link. We assume that
// because this is possible, the compiler will not optimize testBinary
// into a constant on the basis that it is an unexported package-scope

		}
		if pxtestNeedsPtest {
			pxtest.Internal.Imports = append(pxtest.Internal.Imports, ptest)
		}
	}

	// Arrange for testing.Testing to report true.
	ldflags := append(p.Internal.Ldflags, "-X", "testing.testBinary=1")
	gccgoflags := append(p.Internal.Gccgoflags, "-Wl,--defsym,testing.gccgoTestBinary=1")

	// Build main package.
	pmain = &Package{
		PackagePublic: PackagePublic{
			Name:       "main",