Update license to MIT

Signed-off-by: Ming-Wei Shih <mishih@microsoft.com>

tests/lexer/cases/all.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - rego: |

tests/lexer/cases/boolean.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   # To Booleans are parsed as identifiers.

tests/lexer/cases/comment.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - note: comments-immediately-following/1

tests/lexer/cases/eof.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   # All other yamls lock down eof.

tests/lexer/cases/identifier.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - note: all

tests/lexer/cases/newline.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - note: carriage-return/ok

tests/lexer/cases/number.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   # Valid integers

tests/lexer/cases/rawstring.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - note: positive

tests/lexer/cases/string.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - note: positive

tests/lexer/cases/symbol.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   # Two single char symbols in a row must be parsed correctly.

tests/lexer/cases/whitespace.yaml

@@ -1,5 +1,5 @@
-# Copyright (c) Rego-Rs Authors.
-# Licensed under the Apache 2.0 license.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
 
 cases:
   - note: valid

tests/lexer/mod.rs

@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![cfg(test)]
 
 use anyhow::{bail, Result};