testing.F.Setenv (method, view implemented interface methods)

3 uses

	testing (current package)
		testing.go#L1428: func (c *common) Setenv(key, value string) {
		testing.go#L1475: 		c.Setenv("PWD", dir)
		testing.go#L1751: 	t.common.Setenv(key, value)