Add tests to TensorAutoDiffTests.allTests. (#594)

Author: dan-zheng

Tests/TensorFlowTests/TensorAutoDiffTests.swift

@@ -788,6 +788,10 @@ final class TensorAutoDiffTests: XCTestCase {
         ("testVariance", testVariance),
         ("testMin", testMin),
         ("testMax", testMax),
+        ("testMaxAlongAxes", testMaxAlongAxes),
+        ("testMinAlongAxes", testMinAlongAxes),
+        ("testMaxSqueezingAxes", testMaxSqueezingAxes),
+        ("testMinSqueezingAxes", testMinSqueezingAxes),
         ("testTensorInitStacking", testTensorInitStacking),
         ("testExpandingShape", testExpandingShape),
         ("testSqueezingShape", testSqueezingShape),