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-rw-r--r--src/test/scala/firrtlTests/graph/DiGraphTests.scala2
-rw-r--r--src/test/scala/firrtlTests/graph/EulerTourTests.scala2
2 files changed, 3 insertions, 1 deletions
diff --git a/src/test/scala/firrtlTests/graph/DiGraphTests.scala b/src/test/scala/firrtlTests/graph/DiGraphTests.scala
index 0f5cf09c..45561f42 100644
--- a/src/test/scala/firrtlTests/graph/DiGraphTests.scala
+++ b/src/test/scala/firrtlTests/graph/DiGraphTests.scala
@@ -1,4 +1,4 @@
-// See LICENSE for license details.
+// SPDX-License-Identifier: Apache-2.0
package firrtlTests.graph
diff --git a/src/test/scala/firrtlTests/graph/EulerTourTests.scala b/src/test/scala/firrtlTests/graph/EulerTourTests.scala
index 703235af..30f7b803 100644
--- a/src/test/scala/firrtlTests/graph/EulerTourTests.scala
+++ b/src/test/scala/firrtlTests/graph/EulerTourTests.scala
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0
+
package firrtlTests.graph
import firrtl.graph._