Added import statement to numbers-complex test classes to import commons.core.Precision for calls to Precision()
diff --git a/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/TestUtils.java b/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/TestUtils.java
index 70dc4c1..f59da64 100644
--- a/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/TestUtils.java
+++ b/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/TestUtils.java
@@ -24,6 +24,7 @@
 import java.io.ObjectOutputStream;
 
 import org.apache.commons.numbers.complex.Complex;
+import org.apache.commons.numbers.core.Precision;
 
 import org.junit.Assert;