restultSet=testingData.map(lambda p: (p.label, linearModel.predict(p.features))).collect()

[(2.0, array([ 2.09078012])), (2.0, array([ 2.09078012])), (2.0, array([ 2.09078012])), (1.0, array([ 2.09078012])), (2.0, array([ 2.09078012])), (1.0, array([ 2.09078012]))]

restultSet.toDF()

import numpy as np
from pyspark.ml.linalg import Vectors

# your data as an RDD (i.e. before 'collect')
dd = sc.parallelize([(2.0, np.array([ 2.09078012])), (2.0, np.array([ 2.09078012])), (2.0, np.array([ 2.09078012])), (1.0, np.array([ 2.09078012])), (2.0, np.array([ 2.09078012])), (1.0, np.array([ 2.09078012]))])
dd.take(1)
# [(2.0, array([ 2.09078012]))]

df = dd.map(lambda x: (x[0], Vectors.dense(x[1]))).toDF()
df.show()
# +---+------------+
# | _1|          _2|
# +---+------------+
# |2.0|[2.09078012]|
# |2.0|[2.09078012]|
# |2.0|[2.09078012]|
# |1.0|[2.09078012]|
# |2.0|[2.09078012]|
# |1.0|[2.09078012]|
# +---+------------+