Update TestingBundles.md - fix typos

Thi commit fixes the bnd goal name and few smaller language improvements.

(cherry picked from commit 3c8a8cc)

src/site/markdown/TestingBundles.md

@@ -51,7 +51,7 @@ that require an OSGi Framework running and is executed in the integration-test p
 There are two ways to use this:
 
 1. You use the `eclipse-test-plugin` packaging, and with those your plugin must only contain test-classes and they will be executed automatically as part
-of the integration-test phase of your build. This aproach is not recommended for new designs.
+of the integration-test phase of your build. This approach is not recommended for new designs.
 2. You use `eclipse-plugin` packaging and configure an additional execution of the `tycho-surefire-plugin:plugin-test` goal with either a test-source folder
  (see below), alternatively using the [standard maven layout](https://maven.apache.org/guides/introduction/introduction-to-the-standard-directory-layout.html).
 
@@ -81,7 +81,7 @@ A sample snippet looks like this:
  </project>
 ```
 
-To execute the tests, one has to invoke maven with `mvn verify`, the following demo projects are provided as an example:
+To execute the tests, one must invoke maven with `mvn verify`, the following demo projects are provided as an example:
 
 - Project with a configured source folder as a standalone project similar to the discouraged `eclipse-test-plugin` packaging:
 https://github.com/eclipse-tycho/tycho/tree/master/demo/testing/tycho/standalone
@@ -91,7 +91,7 @@ https://github.com/eclipse-tycho/tycho/tree/master/demo/testing/tycho/samemodule
 ### bnd-testing
 
 The [tycho-surefire-plugin](https://tycho.eclipseprojects.io/doc/master/tycho-surefire-plugin/plugin-info.html) has also support for [bnd-testing](https://bnd.bndtools.org/chapters/310-testing.html),
-this is similar to `plugin-test` but uses the BND testing framework. There is currently no JDT/PDE equivalent but this integrates nicely with the [OSGi Testing Support](https://github.com/osgi/osgi-test) and allows to execute prebuild test-bundles.
+this is like `plugin-test` but uses the BND testing framework. There is currently no JDT/PDE equivalent but this integrates nicely with the [OSGi Testing Support](https://github.com/osgi/osgi-test) and allows to execute prebuild test-bundles.
 
 A sample snippet looks like this:
 
@@ -109,7 +109,7 @@ A sample snippet looks like this:
 				<execution>
 					<id>execute-integration-tests</id>
 					<goals>
-						<goal>bnd-test-test</goal>
+						<goal>bnd-test</goal>
 						<goal>verify</goal>
 					</goals>
 				</execution>
@@ -130,4 +130,4 @@ to automatically inject services:
 
 ### combining different approaches 
 
-### setup test source folders in eclipse
+### setup test source folders in eclipse