Remove ambiguous Truth8.assertThat

Change-Id: I3d3276fe42202c4fe24551a18ca66297422d7b82

src/test/java/com/ericsson/gerrit/plugins/gcconductor/executor/ExecutorModuleTest.java

diff --git a/src/test/java/com/ericsson/gerrit/plugins/gcconductor/executor/ExecutorModuleTest.java b/src/test/java/com/ericsson/gerrit/plugins/gcconductor/executor/ExecutorModuleTest.java
index 3e88f2b..19c5345 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/gcconductor/executor/ExecutorModuleTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/gcconductor/executor/ExecutorModuleTest.java
@@ -15,7 +15,6 @@
 package com.ericsson.gerrit.plugins.gcconductor.executor;
 
 import static com.google.common.truth.Truth.assertThat;
-import static com.google.common.truth.Truth8.assertThat;
 import static org.mockito.Mockito.when;
 
 import com.google.inject.Binder;