improved error messages for wrongly provided dimensions

Author: kaifox

src/test/java/org/tensorics/gson/adapters/NestingTest.java renamed to src/test/java/org/tensorics/gson/adapters/NestmapTest.java

@@ -14,7 +14,7 @@
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.tensorics.core.lang.Tensorics.at;
 
-public class NestingTest {
+public class NestmapTest {
 
     @Test
     public void nestmapTensorWorks() {