Migrated base test classes to JUnit 4 and deleted their temporary *ForJunit4 versions:

devtools/build/lib/analysis/util/AnalysisTestCase.java
devtools/build/lib/analysis/util/BuildViewTestCase.java
devtools/build/lib/packages/util/PackageLoadingTestCase.java
devtools/build/lib/testutil/FoundationTestCase.java

--
MOS_MIGRATED_REVID=109560679
diff --git a/src/test/java/com/google/devtools/build/lib/analysis/LabelExpanderTest.java b/src/test/java/com/google/devtools/build/lib/analysis/LabelExpanderTest.java
index 7209623..61335a0 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/LabelExpanderTest.java
+++ b/src/test/java/com/google/devtools/build/lib/analysis/LabelExpanderTest.java
@@ -19,7 +19,7 @@
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.devtools.build.lib.actions.Artifact;
-import com.google.devtools.build.lib.analysis.util.BuildViewTestCaseForJunit4;
+import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.cmdline.LabelSyntaxException;
 import com.google.devtools.build.lib.testutil.Suite;
@@ -37,7 +37,7 @@
  */
 @TestSpec(size = Suite.SMALL_TESTS)
 @RunWith(JUnit4.class)
-public class LabelExpanderTest extends BuildViewTestCaseForJunit4 {
+public class LabelExpanderTest extends BuildViewTestCase {
   /**
    * A dummy target that resolves labels and receives errors.
    */