Add ability to copy files to and delete files from runner

tests/constants.go

@@ -0,0 +1,23 @@
+package tests
+
+import "errors"
+
+const (
+	NonExistingId                 = "n0n-3x1st1ng-1d"
+	DefaultFileName               = "test.txt"
+	DefaultFileContent            = "Hello, Codemoon!"
+	DefaultDirectoryName          = "test/"
+	FileNameWithAbsolutePath      = "/test.txt"
+	DefaultEnvironmentIdAsInteger = 0
+	AnotherEnvironmentIdAsInteger = 42
+	DefaultJobId                  = "s0m3-j0b-1d"
+	AnotherJobId                  = "4n0th3r-j0b-1d"
+	DefaultRunnerId               = "s0m3-r4nd0m-1d"
+	AnotherRunnerId               = "4n0th3r-runn3r-1d"
+	DefaultExecutionId            = "s0m3-3x3cu710n-1d"
+	DefaultMockId                 = "m0ck-1d"
+)
+
+var (
+	DefaultError = errors.New("an error occured")
+)